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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2421760.pdf | 562 kB | Shaun Ewing | Jun 10, 1947 00:00 |
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US-2421760-A // Electrical control circuit // Jr. George H. Rockwood, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Jun 10, 1947 00:00 | US-2421760-A // Electrical control circuit // Jr. George H. Rockwood, // Bell Telephone Labor Inc | ||||
| PDF File 2421759.pdf | 163 kB | Shaun Ewing | Jun 10, 1947 00:00 |
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US-2421759-A // Resistor // Pearson Gerald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 163 kB | Shaun Ewing | Jun 10, 1947 00:00 | US-2421759-A // Resistor // Pearson Gerald L. // Bell Telephone Labor Inc | ||||
| PDF File 2421750.pdf | 446 kB | Shaun Ewing | Jun 10, 1947 00:00 |
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US-2421750-A // Magnetic wire storage unit // Gannett Danforth K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Jun 10, 1947 00:00 | US-2421750-A // Magnetic wire storage unit // Gannett Danforth K. // Bell Telephone Labor Inc | ||||
| PDF File 2421747.pdf | 1.15 MB | Shaun Ewing | Jun 10, 1947 00:00 |
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US-2421747-A // Object locating system // Engelhardt George B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Jun 10, 1947 00:00 | US-2421747-A // Object locating system // Engelhardt George B. // Bell Telephone Labor Inc | ||||
| PDF File 2421394.pdf | 349 kB | Shaun Ewing | Jun 03, 1947 00:00 |
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US-2421394-A // Distance measuring system // Schelleng John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Jun 03, 1947 00:00 | US-2421394-A // Distance measuring system // Schelleng John C. // Bell Telephone Labor Inc | ||||
| PDF File 2421045.pdf | 286 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421045-A // Solderless connection // Walsh Edward G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 286 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421045-A // Solderless connection // Walsh Edward G. // Bell Telephone Labor Inc | ||||
| PDF File 2421035.pdf | 190 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421035-A // Composition for and method of extinguishing fires // Mclean David A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 190 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421035-A // Composition for and method of extinguishing fires // Mclean David A. // Bell Telephone Labor Inc | ||||
| PDF File 2421034.pdf | 3.56 MB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421034-A // Telephone system // Mckim Burton // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.56 MB | Shaun Ewing | May 27, 1947 00:00 | US-2421034-A // Telephone system // Mckim Burton // Bell Telephone Labor Inc | ||||
| PDF File 2421033.pdf | 564 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421033-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 564 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421033-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2421028.pdf | 377 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421028-A // Wave reflection aircraft detector using rotating polarization // King Archie P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 377 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421028-A // Wave reflection aircraft detector using rotating polarization // King Archie P. // Bell Telephone Labor Inc | ||||
| PDF File 2421026.pdf | 418 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421026-A // Delay device // Hall John A. ; Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 418 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421026-A // Delay device // Hall John A. ; Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2421024.pdf | 591 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421024-A // Linear polymer containing cyclic imide groups // Frosch Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 591 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421024-A // Linear polymer containing cyclic imide groups // Frosch Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2421021.pdf | 443 kB | Shaun Ewing | May 27, 1947 00:00 |
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US-2421021-A // Spot-welding machine // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | May 27, 1947 00:00 | US-2421021-A // Spot-welding machine // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2420671.pdf | 394 kB | Shaun Ewing | May 20, 1947 00:00 |
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US-2420671-A // Magnetic recorder // Little John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 394 kB | Shaun Ewing | May 20, 1947 00:00 | US-2420671-A // Magnetic recorder // Little John B. // Bell Telephone Labor Inc | ||||
| PDF File 2420342.pdf | 507 kB | Shaun Ewing | May 13, 1947 00:00 |
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US-2420342-A // High frequency continuous amplifier // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | May 13, 1947 00:00 | US-2420342-A // High frequency continuous amplifier // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2420309.pdf | 592 kB | Shaun Ewing | May 13, 1947 00:00 |
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US-2420309-A // Impulse generator // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | May 13, 1947 00:00 | US-2420309-A // Impulse generator // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2420302.pdf | 550 kB | Shaun Ewing | May 13, 1947 00:00 |
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US-2420302-A // Impulse generator // Darlington Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 550 kB | Shaun Ewing | May 13, 1947 00:00 | US-2420302-A // Impulse generator // Darlington Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2419958.pdf | 1.08 MB | Shaun Ewing | May 06, 1947 00:00 |
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US-2419958-A // Communication system // Lamberty Frederick R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | May 06, 1947 00:00 | US-2419958-A // Communication system // Lamberty Frederick R. // Bell Telephone Labor Inc | ||||
| PDF File 2419946.pdf | 861 kB | Shaun Ewing | May 06, 1947 00:00 |
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US-2419946-A // High-frequency direction finder // Edwards Charles F. ; Jansky Karl G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 861 kB | Shaun Ewing | May 06, 1947 00:00 | US-2419946-A // High-frequency direction finder // Edwards Charles F. ; Jansky Karl G. // Bell Telephone Labor Inc | ||||
| PDF File 2419617.pdf | 870 kB | Shaun Ewing | Apr 29, 1947 00:00 |
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US-2419617-A // Optical device for testing crystal sections // Willard Gerald W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 870 kB | Shaun Ewing | Apr 29, 1947 00:00 | US-2419617-A // Optical device for testing crystal sections // Willard Gerald W. // Bell Telephone Labor Inc |
