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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2174718.pdf | 706 kB | Shaun Ewing | Oct 03, 1939 00:00 |
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US-2174718-A // Carrier spacing means // Jr. Adam Drenkard, // Western Union Telegraph Co | |||
| Version 1 (current) | 706 kB | Shaun Ewing | Oct 03, 1939 00:00 | US-2174718-A // Carrier spacing means // Jr. Adam Drenkard, // Western Union Telegraph Co | ||||
| PDF File 2173741.pdf | 253 kB | Shaun Ewing | Sept 19, 1939 00:00 |
|
US-2173741-A // Electrostatic recording mechanism // Wise Raleigh J. ; O'Brien Frederic L. // Western Union Telegraph Co | |||
| Version 1 (current) | 253 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173741-A // Electrostatic recording mechanism // Wise Raleigh J. ; O'Brien Frederic L. // Western Union Telegraph Co | ||||
| PDF File 2173740.pdf | 541 kB | Shaun Ewing | Sept 19, 1939 00:00 |
|
US-2173740-A // Local correction of cable signals // Wilder Harold F. // Western Union Telegraph Co | |||
| Version 1 (current) | 541 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173740-A // Local correction of cable signals // Wilder Harold F. // Western Union Telegraph Co | ||||
| PDF File 2173723.pdf | 330 kB | Shaun Ewing | Sept 19, 1939 00:00 |
|
US-2173723-A // Synchronizing system // Nuxoll Frederick G. ; Noxon Paul A. // Western Union Telegraph Co | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173723-A // Synchronizing system // Nuxoll Frederick G. ; Noxon Paul A. // Western Union Telegraph Co | ||||
| PDF File 2173722.pdf | 600 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173722-A // Interference suppression network // Milnor Joseph W. ; Bechberger Paul F. ; Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173722-A // Interference suppression network // Milnor Joseph W. ; Bechberger Paul F. ; Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 2173534.pdf | 489 kB | Shaun Ewing | Sept 19, 1939 00:00 |
|
US-2173534-A // Automatic recording margin indicator // Erickson George L. ; Daley Dorothy // Western Union Telegraph Co | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173534-A // Automatic recording margin indicator // Erickson George L. ; Daley Dorothy // Western Union Telegraph Co | ||||
| PDF File 2172920.pdf | 3.92 MB | Shaun Ewing | Sept 12, 1939 00:00 |
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US-2172920-A // Telegraph system // Anderson James N. ; Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 3.92 MB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172920-A // Telegraph system // Anderson James N. ; Dirkes Robert F. // Western Union Telegraph Co | ||||
| PDF File 2172277.pdf | 215 kB | Shaun Ewing | Sept 05, 1939 00:00 |
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US-2172277-A // Rectifier power unit and signal shaping arrangement for metallic telegraph circuits // Erickson George L. // Western Union Telegraph Co | |||
| Version 1 (current) | 215 kB | Shaun Ewing | Sept 05, 1939 00:00 | US-2172277-A // Rectifier power unit and signal shaping arrangement for metallic telegraph circuits // Erickson George L. // Western Union Telegraph Co | ||||
| PDF File 2172269.pdf | 642 kB | Shaun Ewing | Sept 05, 1939 00:00 |
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US-2172269-A // Telegraph tape transmitter // Angel Herbert ; Robinson James W. // Western Union Telegraph Co | |||
| Version 1 (current) | 642 kB | Shaun Ewing | Sept 05, 1939 00:00 | US-2172269-A // Telegraph tape transmitter // Angel Herbert ; Robinson James W. // Western Union Telegraph Co | ||||
| PDF File 2171156.pdf | 1.03 MB | Shaun Ewing | Aug 29, 1939 00:00 |
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US-2171156-A // System and apparatus for determining at a distance the angular position of a submarine device // Lawton Chester S. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Aug 29, 1939 00:00 | US-2171156-A // System and apparatus for determining at a distance the angular position of a submarine device // Lawton Chester S. // Western Union Telegraph Co | ||||
| PDF File 2166505.pdf | 347 kB | Shaun Ewing | Jul 18, 1939 00:00 |
|
US-2166505-A // Integrating phase correction mechanism // Noxon Paul A. // Western Union Telegraph Co | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166505-A // Integrating phase correction mechanism // Noxon Paul A. // Western Union Telegraph Co | ||||
| PDF File 2165780.pdf | 1.35 MB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165780-A // Telegraph exchange system // Blanton William B. ; White Roy B. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165780-A // Telegraph exchange system // Blanton William B. ; White Roy B. // Western Union Telegraph Co | ||||
| PDF File 2165773.pdf | 473 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165773-A // Insulator for communication systems // Wheeler Herbert H. ; Mcginnis Orris // Western Union Telegraph Co | |||
| Version 1 (current) | 473 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165773-A // Insulator for communication systems // Wheeler Herbert H. ; Mcginnis Orris // Western Union Telegraph Co | ||||
| PDF File 2160139.pdf | 1.05 MB | Shaun Ewing | May 30, 1939 00:00 |
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US-2160139-A // Message ejecting mechanism for telegraph printers // Haglund Hakon H. ; Foster Lee R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | May 30, 1939 00:00 | US-2160139-A // Message ejecting mechanism for telegraph printers // Haglund Hakon H. ; Foster Lee R. // Western Union Telegraph Co | ||||
| PDF File 2159927.pdf | 623 kB | Shaun Ewing | May 23, 1939 00:00 |
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US-2159927-A // Neutralization of inductive interference // Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 623 kB | Shaun Ewing | May 23, 1939 00:00 | US-2159927-A // Neutralization of inductive interference // Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 2158391.pdf | 1019 kB | Shaun Ewing | May 16, 1939 00:00 |
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US-2158391-A // System and apparatus for facsimile telegraphy // Wise Raleigh J. // Western Union Telegraph Co | |||
| Version 1 (current) | 1019 kB | Shaun Ewing | May 16, 1939 00:00 | US-2158391-A // System and apparatus for facsimile telegraphy // Wise Raleigh J. // Western Union Telegraph Co | ||||
| PDF File 2154441.pdf | 917 kB | Shaun Ewing | Apr 18, 1939 00:00 |
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US-2154441-A // Telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | |||
| Version 1 (current) | 917 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2154441-A // Telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | ||||
| PDF File 2154379.pdf | 491 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2154379-A // Method of and apparatus for testing relays // Estes Phillip H. // Western Union Telegraph Co | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2154379-A // Method of and apparatus for testing relays // Estes Phillip H. // Western Union Telegraph Co | ||||
| PDF File 2154378.pdf | 385 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2154378-A // Start-stop tube oscillator // Eller Keith B. ; Holborn Frederick // Western Union Telegraph Co | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2154378-A // Start-stop tube oscillator // Eller Keith B. ; Holborn Frederick // Western Union Telegraph Co | ||||
| PDF File 2153858.pdf | 1.32 MB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2153858-A // Telegraphic transmission of intelligence // Wise Raleigh J. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Apr 11, 1939 00:00 | US-2153858-A // Telegraphic transmission of intelligence // Wise Raleigh J. // Western Union Telegraph Co |
