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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2025925.pdf | 659 kB | Shaun Ewing | Dec 31, 1935 00:00 |
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US-2025925-A // Telephone system // Jr. Paul Winsor, // American Telephone & Telegraph | |||
| Version 1 (current) | 659 kB | Shaun Ewing | Dec 31, 1935 00:00 | US-2025925-A // Telephone system // Jr. Paul Winsor, // American Telephone & Telegraph | ||||
| PDF File 2055575.pdf | 658 kB | Shaun Ewing | Sept 29, 1936 00:00 |
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US-2055575-A // Telegraph repeater circuits // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 658 kB | Shaun Ewing | Sept 29, 1936 00:00 | US-2055575-A // Telegraph repeater circuits // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 2106771.pdf | 658 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106771-A // Ultrahigh frequency signaling // Southworth George Clark // American Telephone & Telegraph | |||
| Version 1 (current) | 658 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106771-A // Ultrahigh frequency signaling // Southworth George Clark // American Telephone & Telegraph | ||||
| PDF File 1932589.pdf | 656 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1932589-A // Frequency translating device // Holden William Henry Towne // American Telephone & Telegraph | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932589-A // Frequency translating device // Holden William Henry Towne // American Telephone & Telegraph | ||||
| PDF File 1981114.pdf | 655 kB | Shaun Ewing | Nov 20, 1934 00:00 |
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US-1981114-A // Privacy system // Mitchell Doren ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 655 kB | Shaun Ewing | Nov 20, 1934 00:00 | US-1981114-A // Privacy system // Mitchell Doren ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 2129823.pdf | 654 kB | Shaun Ewing | Sept 13, 1938 00:00 |
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US-2129823-A // Distortion indicating and measuring device // Cowan Frank Augustus // American Telephone & Telegraph | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Sept 13, 1938 00:00 | US-2129823-A // Distortion indicating and measuring device // Cowan Frank Augustus // American Telephone & Telegraph | ||||
| PDF File 2054901.pdf | 654 kB | Shaun Ewing | Sept 22, 1936 00:00 |
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US-2054901-A // Communication system // Goetz Gaston J. // American Telephone & Telegraph | |||
| Version 1 (current) | 654 kB | Shaun Ewing | Sept 22, 1936 00:00 | US-2054901-A // Communication system // Goetz Gaston J. // American Telephone & Telegraph | ||||
| PDF File 2118471.pdf | 654 kB | Shaun Ewing | May 24, 1938 00:00 |
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US-2118471-A // Electrical transmission system // Monk Newton ; Tidd Warren H. // American Telephone & Telegraph | |||
| Version 1 (current) | 654 kB | Shaun Ewing | May 24, 1938 00:00 | US-2118471-A // Electrical transmission system // Monk Newton ; Tidd Warren H. // American Telephone & Telegraph | ||||
| PDF File 1870352.pdf | 652 kB | Shaun Ewing | Aug 09, 1932 00:00 |
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US-1870352-A // Telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Aug 09, 1932 00:00 | US-1870352-A // Telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 2117052.pdf | 648 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2117052-A // Telegraph tape comparator // Bailey Austin ; Mccann Thomas Addison // American Telephone & Telegraph | |||
| Version 1 (current) | 648 kB | Shaun Ewing | May 10, 1938 00:00 | US-2117052-A // Telegraph tape comparator // Bailey Austin ; Mccann Thomas Addison // American Telephone & Telegraph | ||||
| PDF File 2153706.pdf | 648 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2153706-A // Privacy testing system // Bascom Earle Clark // American Telephone & Telegraph | |||
| Version 1 (current) | 648 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2153706-A // Privacy testing system // Bascom Earle Clark // American Telephone & Telegraph | ||||
| PDF File 2126538.pdf | 647 kB | Shaun Ewing | Aug 09, 1938 00:00 |
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US-2126538-A // Carbon sheet and loose form holder // Dencklau Karl R. // American Telephone & Telegraph | |||
| Version 1 (current) | 647 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126538-A // Carbon sheet and loose form holder // Dencklau Karl R. // American Telephone & Telegraph | ||||
| PDF File 2165892.pdf | 646 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165892-A // Multiplex telemetering system // Green Estill Ibbotson ; Tidd Warren Hitchcock // American Telephone & Telegraph | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165892-A // Multiplex telemetering system // Green Estill Ibbotson ; Tidd Warren Hitchcock // American Telephone & Telegraph | ||||
| PDF File 1848221.pdf | 644 kB | Shaun Ewing | Mar 08, 1932 00:00 |
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US-1848221-A // Filter arrangement // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 644 kB | Shaun Ewing | Mar 08, 1932 00:00 | US-1848221-A // Filter arrangement // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1955875.pdf | 642 kB | Shaun Ewing | Apr 24, 1934 00:00 |
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US-1955875-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 642 kB | Shaun Ewing | Apr 24, 1934 00:00 | US-1955875-A // Signaling system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 2153072.pdf | 641 kB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2153072-A // Means for suspending aerial cables // Bookout Archie Coleman ; Pitts Frederick Baxter // American Telephone & Telegraph | |||
| Version 1 (current) | 641 kB | Shaun Ewing | Apr 04, 1939 00:00 | US-2153072-A // Means for suspending aerial cables // Bookout Archie Coleman ; Pitts Frederick Baxter // American Telephone & Telegraph | ||||
| PDF File 2028818.pdf | 640 kB | Shaun Ewing | Jan 28, 1936 00:00 |
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US-2028818-A // Printing telegraph system // Anspach Russell Jacob ; Harrison Jackson Webster // American Telephone & Telegraph | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Jan 28, 1936 00:00 | US-2028818-A // Printing telegraph system // Anspach Russell Jacob ; Harrison Jackson Webster // American Telephone & Telegraph | ||||
| PDF File 2021269.pdf | 639 kB | Shaun Ewing | Nov 19, 1935 00:00 |
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US-2021269-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 639 kB | Shaun Ewing | Nov 19, 1935 00:00 | US-2021269-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2053605.pdf | 637 kB | Shaun Ewing | Sept 08, 1936 00:00 |
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US-2053605-A // Selective signaling system // Edwards William Hopple ; Halligan Clair William // American Telephone & Telegraph | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Sept 08, 1936 00:00 | US-2053605-A // Selective signaling system // Edwards William Hopple ; Halligan Clair William // American Telephone & Telegraph | ||||
| PDF File 2189111.pdf | 636 kB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189111-A // Signal measuring system // Hughes Samuel Bettle // American Telephone & Telegraph | |||
| Version 1 (current) | 636 kB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189111-A // Signal measuring system // Hughes Samuel Bettle // American Telephone & Telegraph |
