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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2139220.pdf | 518 kB | Shaun Ewing | Dec 06, 1938 00:00 |
|
US-2139220-A // Electromechanical wave filter // Blackman Ralph B. ; Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139220-A // Electromechanical wave filter // Blackman Ralph B. ; Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2138613.pdf | 463 kB | Shaun Ewing | Nov 29, 1938 00:00 |
|
US-2138613-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138613-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2138580.pdf | 1.41 MB | Shaun Ewing | Nov 29, 1938 00:00 |
|
US-2138580-A // Printing telegraph system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138580-A // Printing telegraph system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2138577.pdf | 987 kB | Shaun Ewing | Nov 29, 1938 00:00 |
|
US-2138577-A // Electro-optical transmission // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 987 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138577-A // Electro-optical transmission // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2138571.pdf | 349 kB | Shaun Ewing | Nov 29, 1938 00:00 |
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US-2138571-A // Insulator // Dehmel Richard C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138571-A // Insulator // Dehmel Richard C. // Bell Telephone Labor Inc | ||||
| PDF File 2138565.pdf | 526 kB | Shaun Ewing | Nov 29, 1938 00:00 |
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US-2138565-A // Signaling system // Bascom Henry M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138565-A // Signaling system // Bascom Henry M. // Bell Telephone Labor Inc | ||||
| PDF File 2137818.pdf | 276 kB | Shaun Ewing | Nov 22, 1938 00:00 |
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US-2137818-A // Relay // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 276 kB | Shaun Ewing | Nov 22, 1938 00:00 | US-2137818-A // Relay // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 2137809.pdf | 245 kB | Shaun Ewing | Nov 22, 1938 00:00 |
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US-2137809-A // Terminal connection for electrical devices // Rodgers Karl F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 245 kB | Shaun Ewing | Nov 22, 1938 00:00 | US-2137809-A // Terminal connection for electrical devices // Rodgers Karl F. // Bell Telephone Labor Inc | ||||
| PDF File 2137793.pdf | 948 kB | Shaun Ewing | Nov 22, 1938 00:00 |
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US-2137793-A // Telephone system // Anderson Emil N. ; Getz Emil L. ; Ulrich Horace W. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Nov 22, 1938 00:00 | US-2137793-A // Telephone system // Anderson Emil N. ; Getz Emil L. ; Ulrich Horace W. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2137037.pdf | 356 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2137037-A // Film driving element // Terry Roy V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137037-A // Film driving element // Terry Roy V. // Bell Telephone Labor Inc | ||||
| PDF File 2137036.pdf | 739 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2137036-A // Transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137036-A // Transmission system // Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2137032.pdf | 566 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2137032-A // Sound reproducing system // Snow William B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137032-A // Sound reproducing system // Snow William B. // Bell Telephone Labor Inc | ||||
| PDF File 2137023.pdf | 886 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2137023-A // Carrier communicating system // Monk Newton // Bell Telephone Labor Inc | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137023-A // Carrier communicating system // Monk Newton // Bell Telephone Labor Inc | ||||
| PDF File 2137021.pdf | 359 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2137021-A // Support for base plates // Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137021-A // Support for base plates // Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 2136630.pdf | 420 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136630-A // Telephone system // Massonneau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 420 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136630-A // Telephone system // Massonneau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 2136624.pdf | 408 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136624-A // Coin collector base // Kuhn John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136624-A // Coin collector base // Kuhn John J. // Bell Telephone Labor Inc | ||||
| PDF File 2136621.pdf | 1.01 MB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136621-A // Antenna selector system // King Archie P. ; Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136621-A // Antenna selector system // King Archie P. ; Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2136620.pdf | 2.91 MB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136620-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.91 MB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136620-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 2136612.pdf | 471 kB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136612-A // Electromagnetic multiswitching apparatus // Dubuar Arthur S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136612-A // Electromagnetic multiswitching apparatus // Dubuar Arthur S. // Bell Telephone Labor Inc | ||||
| PDF File 2136602.pdf | 1.80 MB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136602-A // Teletypewriter projector // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136602-A // Teletypewriter projector // Atkins George E. // Bell Telephone Labor Inc |
