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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2108642.pdf | 938 kB | Shaun Ewing | Feb 15, 1938 00:00 |
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US-2108642-A // Magnetic device // Boardman Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 938 kB | Shaun Ewing | Feb 15, 1938 00:00 | US-2108642-A // Magnetic device // Boardman Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 2108640.pdf | 432 kB | Shaun Ewing | Feb 15, 1938 00:00 |
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US-2108640-A // Electron discharge apparatus // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Feb 15, 1938 00:00 | US-2108640-A // Electron discharge apparatus // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2108637.pdf | 457 kB | Shaun Ewing | Feb 15, 1938 00:00 |
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US-2108637-A // Testing apparatus // Bartgis Charles P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Feb 15, 1938 00:00 | US-2108637-A // Testing apparatus // Bartgis Charles P. // Bell Telephone Labor Inc | ||||
| PDF File 2108635.pdf | 397 kB | Shaun Ewing | Feb 15, 1938 00:00 |
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US-2108635-A // Shield for ignition plugs // Aiken Charles B. ; Durfee Thomas // Bell Telephone Labor Inc | |||
| Version 1 (current) | 397 kB | Shaun Ewing | Feb 15, 1938 00:00 | US-2108635-A // Shield for ignition plugs // Aiken Charles B. ; Durfee Thomas // Bell Telephone Labor Inc | ||||
| PDF File 2107759.pdf | 384 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107759-A // Electrooptical scanning apparatus // Mattke Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 384 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107759-A // Electrooptical scanning apparatus // Mattke Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2107757.pdf | 358 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107757-A // Acoustic device // Kinsley Thomas G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 358 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107757-A // Acoustic device // Kinsley Thomas G. // Bell Telephone Labor Inc | ||||
| PDF File 2107756.pdf | 1.20 MB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107756-A // Privacy system // Kendall Burton W. ; Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107756-A // Privacy system // Kendall Burton W. ; Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2107754.pdf | 831 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107754-A // Telephone system // Johnston Donald F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 831 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107754-A // Telephone system // Johnston Donald F. // Bell Telephone Labor Inc | ||||
| PDF File 2107753.pdf | 1.22 MB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107753-A // Distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107753-A // Distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2107752.pdf | 300 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107752-A // Electrical device // Harley John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 300 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107752-A // Electrical device // Harley John B. // Bell Telephone Labor Inc | ||||
| PDF File 2107751.pdf | 243 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107751-A // Terminal strip // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 243 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107751-A // Terminal strip // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2107746.pdf | 325 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107746-A // Relay circuit // Busch Aloysius J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107746-A // Relay circuit // Busch Aloysius J. // Bell Telephone Labor Inc | ||||
| PDF File 2107177.pdf | 455 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107177-A // Stranded conductor // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 455 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107177-A // Stranded conductor // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2107168.pdf | 817 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107168-A // Carrier communicating system // Tidd Warren H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 817 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107168-A // Carrier communicating system // Tidd Warren H. // Bell Telephone Labor Inc | ||||
| PDF File 2107158.pdf | 690 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107158-A // Telephone system // Lewis Herbert A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 690 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107158-A // Telephone system // Lewis Herbert A. // Bell Telephone Labor Inc | ||||
| PDF File 2107155.pdf | 980 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107155-A // Radio directional indicator // Kleinkauf James D. ; Martin De Loss K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 980 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107155-A // Radio directional indicator // Kleinkauf James D. ; Martin De Loss K. // Bell Telephone Labor Inc | ||||
| PDF File 2107154.pdf | 571 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107154-A // Telephone signaling system // King Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107154-A // Telephone signaling system // King Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2107153.pdf | 709 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107153-A // Multiple channel electro-optical image production using mirror helix // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 709 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107153-A // Multiple channel electro-optical image production using mirror helix // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2107149.pdf | 879 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107149-A // Signal distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 879 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107149-A // Signal distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 2106813.pdf | 502 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106813-A // Acoustic device // Romanow Frank F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106813-A // Acoustic device // Romanow Frank F. // Bell Telephone Labor Inc |
