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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 3006986.pdf | 13.80 MB | Shaun Ewing | Oct 31, 1961 00:00 |
|
US-3006986-A // Telegraph switching system // Vernam Gilbert S. ; Adams Myron D. ; Chojnowski Edward J. ; Blanton William B. ; Jansson Henry A. // Western Union Telegraph Co | |||
| Version 1 (current) | 13.80 MB | Shaun Ewing | Oct 31, 1961 00:00 | US-3006986-A // Telegraph switching system // Vernam Gilbert S. ; Adams Myron D. ; Chojnowski Edward J. ; Blanton William B. ; Jansson Henry A. // Western Union Telegraph Co | ||||
| PDF File 3087010.pdf | 10.13 MB | Shaun Ewing | Apr 23, 1963 00:00 |
|
US-3087010-A // Automatic telegraph switching system // Turk John E. De ; Brown William G. ; Mcreynolds James R. ; Snyder Robert L. ; Fulkerson Lewis // Western Union Telegraph Co | |||
| Version 1 (current) | 10.13 MB | Shaun Ewing | Apr 23, 1963 00:00 | US-3087010-A // Automatic telegraph switching system // Turk John E. De ; Brown William G. ; Mcreynolds James R. ; Snyder Robert L. ; Fulkerson Lewis // Western Union Telegraph Co | ||||
| PDF File 3057956.pdf | 8.00 MB | Shaun Ewing | Oct 09, 1962 00:00 |
|
US-3057956-A // Telegraph switching system // Adams Myron D. ; Johnson Claude W. ; Chojnowski Edward J. ; Eisner Albert M. ; Elich John ; Glick Harold // Western Union Telegraph Co | |||
| Version 1 (current) | 8.00 MB | Shaun Ewing | Oct 09, 1962 00:00 | US-3057956-A // Telegraph switching system // Adams Myron D. ; Johnson Claude W. ; Chojnowski Edward J. ; Eisner Albert M. ; Elich John ; Glick Harold // Western Union Telegraph Co | ||||
| PDF File 2672503.pdf | 6.63 MB | Shaun Ewing | Mar 16, 1954 00:00 |
|
US-2672503-A // System and apparatus for facsimile telegraph transmission and recording // Hallden Frederick G. ; Ridings Garvice H. ; Zabriskie Douglas M. ; Parrott Robert D. // Western Union Telegraph Co | |||
| Version 1 (current) | 6.63 MB | Shaun Ewing | Mar 16, 1954 00:00 | US-2672503-A // System and apparatus for facsimile telegraph transmission and recording // Hallden Frederick G. ; Ridings Garvice H. ; Zabriskie Douglas M. ; Parrott Robert D. // Western Union Telegraph Co | ||||
| PDF File 2546627.pdf | 5.07 MB | Shaun Ewing | Mar 27, 1951 00:00 |
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US-2546627-A // Telegraph switching system // Blanton William B. ; Currie Frank L. ; Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 5.07 MB | Shaun Ewing | Mar 27, 1951 00:00 | US-2546627-A // Telegraph switching system // Blanton William B. ; Currie Frank L. ; Janson George W. // Western Union Telegraph Co | ||||
| PDF File 3134848.pdf | 4.68 MB | Shaun Ewing | May 26, 1964 00:00 |
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US-3134848-A // Waystation selection network // Light George G. ; Manning Edward F. ; Parr John C. ; Wolfson Robert B. // Western Union Telegraph Co | |||
| Version 1 (current) | 4.68 MB | Shaun Ewing | May 26, 1964 00:00 | US-3134848-A // Waystation selection network // Light George G. ; Manning Edward F. ; Parr John C. ; Wolfson Robert B. // Western Union Telegraph Co | ||||
| PDF File 2575329.pdf | 4.67 MB | Shaun Ewing | Nov 20, 1951 00:00 |
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US-2575329-A // Telegraph switching system // Blanton William B. ; Light George G. // Western Union Telegraph Co | |||
| Version 1 (current) | 4.67 MB | Shaun Ewing | Nov 20, 1951 00:00 | US-2575329-A // Telegraph switching system // Blanton William B. ; Light George G. // Western Union Telegraph Co | ||||
| PDF File 2647945.pdf | 4.64 MB | Shaun Ewing | Aug 04, 1953 00:00 |
|
US-2647945-A // Facsimile machine and system employing electric stylus transmission and recording // Ridings Garvice H. ; Hackenberg John H. ; Worthen George B. // Western Union Telegraph Co | |||
| Version 1 (current) | 4.64 MB | Shaun Ewing | Aug 04, 1953 00:00 | US-2647945-A // Facsimile machine and system employing electric stylus transmission and recording // Ridings Garvice H. ; Hackenberg John H. ; Worthen George B. // Western Union Telegraph Co | ||||
| PDF File 2998478.pdf | 4.41 MB | Shaun Ewing | Aug 29, 1961 00:00 |
|
US-2998478-A // Patron's tie-line reperforation and topline signal generating system // Currie Frank L. ; Light George G. ; Boivin Edward J. ; Turner Frank T. ; Jr. Alan E. Hildreth, // Western Union Telegraph Co | |||
| Version 1 (current) | 4.41 MB | Shaun Ewing | Aug 29, 1961 00:00 | US-2998478-A // Patron's tie-line reperforation and topline signal generating system // Currie Frank L. ; Light George G. ; Boivin Edward J. ; Turner Frank T. ; Jr. Alan E. Hildreth, // Western Union Telegraph Co | ||||
| PDF File 3388378.pdf | 4.24 MB | Shaun Ewing | Jun 11, 1968 00:00 |
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US-3388378-A // Error detection and correction apparatus for duplex communication system // Steeneck Robert ; Cowan John R. // Western Union Telegraph Co | |||
| Version 1 (current) | 4.24 MB | Shaun Ewing | Jun 11, 1968 00:00 | US-3388378-A // Error detection and correction apparatus for duplex communication system // Steeneck Robert ; Cowan John R. // Western Union Telegraph Co | ||||
| PDF File 2978541.pdf | 4.04 MB | Shaun Ewing | Apr 04, 1961 00:00 |
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US-2978541-A // Error detection in telegraph switching systems // Steeneck Robert ; Walker Donald J. ; Leonard Robert H. // Western Union Telegraph Co | |||
| Version 1 (current) | 4.04 MB | Shaun Ewing | Apr 04, 1961 00:00 | US-2978541-A // Error detection in telegraph switching systems // Steeneck Robert ; Walker Donald J. ; Leonard Robert H. // Western Union Telegraph Co | ||||
| PDF File 2632044.pdf | 3.89 MB | Shaun Ewing | Mar 17, 1953 00:00 |
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US-2632044-A // Telegraph reperforator switching system // Light George G. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.89 MB | Shaun Ewing | Mar 17, 1953 00:00 | US-2632044-A // Telegraph reperforator switching system // Light George G. // Western Union Telegraph Co | ||||
| PDF File 3404338.pdf | 3.88 MB | Shaun Ewing | Oct 01, 1968 00:00 |
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US-3404338-A // Method and means for measuring and correcting delay and attenuation in a transmission channel // Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.88 MB | Shaun Ewing | Oct 01, 1968 00:00 | US-3404338-A // Method and means for measuring and correcting delay and attenuation in a transmission channel // Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 2902538.pdf | 3.86 MB | Shaun Ewing | Sept 01, 1959 00:00 |
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US-2902538-A // Dial facsimile system // Jr. William Stanley Westerman Edgar, // Western Union Telegraph Co | |||
| Version 1 (current) | 3.86 MB | Shaun Ewing | Sept 01, 1959 00:00 | US-2902538-A // Dial facsimile system // Jr. William Stanley Westerman Edgar, // Western Union Telegraph Co | ||||
| PDF File 2824902.pdf | 3.83 MB | Shaun Ewing | Feb 25, 1958 00:00 |
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US-2824902-A // Facsimile telegraph apparatus for variable blanking and carriage return // Pollard Leon G. ; Deibert Clarence R. ; Turner Frank T. ; Snider Robert H. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.83 MB | Shaun Ewing | Feb 25, 1958 00:00 | US-2824902-A // Facsimile telegraph apparatus for variable blanking and carriage return // Pollard Leon G. ; Deibert Clarence R. ; Turner Frank T. ; Snider Robert H. // Western Union Telegraph Co | ||||
| PDF File 3374309.pdf | 3.77 MB | Shaun Ewing | Mar 19, 1968 00:00 |
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US-3374309-A // Duplex way station selector // Elich John ; Kempf Vincent C. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.77 MB | Shaun Ewing | Mar 19, 1968 00:00 | US-3374309-A // Duplex way station selector // Elich John ; Kempf Vincent C. // Western Union Telegraph Co | ||||
| PDF File 3001009.pdf | 3.69 MB | Shaun Ewing | Sept 19, 1961 00:00 |
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US-3001009-A // Telegraph way station selector // Light George G. ; Wichtendahl William J. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.69 MB | Shaun Ewing | Sept 19, 1961 00:00 | US-3001009-A // Telegraph way station selector // Light George G. ; Wichtendahl William J. // Western Union Telegraph Co | ||||
| PDF File 2606963.pdf | 3.67 MB | Shaun Ewing | Aug 12, 1952 00:00 |
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US-2606963-A // Two-way facsimile communication system // Ridings Garvice H. ; Hallden Frederick G. ; Currie Frank Leslie // Western Union Telegraph Co | |||
| Version 1 (current) | 3.67 MB | Shaun Ewing | Aug 12, 1952 00:00 | US-2606963-A // Two-way facsimile communication system // Ridings Garvice H. ; Hallden Frederick G. ; Currie Frank Leslie // Western Union Telegraph Co | ||||
| PDF File 2630483.pdf | 3.66 MB | Shaun Ewing | Mar 03, 1953 00:00 |
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US-2630483-A // Telegraph repeater switching system // Easterlin Philip R. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.66 MB | Shaun Ewing | Mar 03, 1953 00:00 | US-2630483-A // Telegraph repeater switching system // Easterlin Philip R. // Western Union Telegraph Co | ||||
| PDF File 2537199.pdf | 3.63 MB | Shaun Ewing | Jan 09, 1951 00:00 |
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US-2537199-A // Facsimile switching system // Wise Raleigh J. ; Reynolds Marvin J. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.63 MB | Shaun Ewing | Jan 09, 1951 00:00 | US-2537199-A // Facsimile switching system // Wise Raleigh J. ; Reynolds Marvin J. // Western Union Telegraph Co |
