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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2270939.pdf | 326 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2270939-A // Soundproof wall // Eckardt Helmuth // Bell Telephone Labor Inc | |||
| Version 1 (current) | 326 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2270939-A // Soundproof wall // Eckardt Helmuth // Bell Telephone Labor Inc | ||||
| PDF File 2313809.pdf | 325 kB | Shaun Ewing | Mar 16, 1943 00:00 |
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US-2313809-A // Contact protection device // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Mar 16, 1943 00:00 | US-2313809-A // Contact protection device // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2254278.pdf | 325 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254278-A // Mechanical amplifier // Faley George J. V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254278-A // Mechanical amplifier // Faley George J. V. // Bell Telephone Labor Inc | ||||
| PDF File 2328989.pdf | 323 kB | Shaun Ewing | Sept 07, 1943 00:00 |
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US-2328989-A // Gaseous electric discharge device // Martin William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 323 kB | Shaun Ewing | Sept 07, 1943 00:00 | US-2328989-A // Gaseous electric discharge device // Martin William H. // Bell Telephone Labor Inc | ||||
| PDF File 2307989.pdf | 323 kB | Shaun Ewing | Jan 12, 1943 00:00 |
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US-2307989-A // Sound signal // Bower Kline E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 323 kB | Shaun Ewing | Jan 12, 1943 00:00 | US-2307989-A // Sound signal // Bower Kline E. // Bell Telephone Labor Inc | ||||
| PDF File 2303497.pdf | 322 kB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303497-A // Duplex metal body // Reeve Howard T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303497-A // Duplex metal body // Reeve Howard T. // Bell Telephone Labor Inc | ||||
| PDF File 2351913.pdf | 322 kB | Shaun Ewing | Jun 20, 1944 00:00 |
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US-2351913-A // Acoustic delay device // Bostwick Lee G. ; King John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Jun 20, 1944 00:00 | US-2351913-A // Acoustic delay device // Bostwick Lee G. ; King John H. // Bell Telephone Labor Inc | ||||
| PDF File 2311801.pdf | 322 kB | Shaun Ewing | Feb 23, 1943 00:00 |
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US-2311801-A // Thermal time delay relay // Winans Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Feb 23, 1943 00:00 | US-2311801-A // Thermal time delay relay // Winans Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2246590.pdf | 321 kB | Shaun Ewing | Jun 24, 1941 00:00 |
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US-2246590-A // Telephone coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 321 kB | Shaun Ewing | Jun 24, 1941 00:00 | US-2246590-A // Telephone coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2254036.pdf | 321 kB | Shaun Ewing | Aug 26, 1941 00:00 |
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US-2254036-A // Phase control // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 321 kB | Shaun Ewing | Aug 26, 1941 00:00 | US-2254036-A // Phase control // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2326445.pdf | 320 kB | Shaun Ewing | Aug 10, 1943 00:00 |
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US-2326445-A // Signaling system // Eagon Lloyd L. ; Mckim Burton // Bell Telephone Labor Inc | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Aug 10, 1943 00:00 | US-2326445-A // Signaling system // Eagon Lloyd L. ; Mckim Burton // Bell Telephone Labor Inc | ||||
| PDF File 2377355.pdf | 319 kB | Shaun Ewing | Jun 05, 1945 00:00 |
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US-2377355-A // Casing for electrical devices // Mueller Robert // Bell Telephone Labor Inc | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Jun 05, 1945 00:00 | US-2377355-A // Casing for electrical devices // Mueller Robert // Bell Telephone Labor Inc | ||||
| PDF File 2332120.pdf | 318 kB | Shaun Ewing | Oct 19, 1943 00:00 |
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US-2332120-A // Mechanical wave filter // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332120-A // Mechanical wave filter // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2320433.pdf | 317 kB | Shaun Ewing | Jun 01, 1943 00:00 |
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US-2320433-A // Telephone transmitter // Herckmans Alfred // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Jun 01, 1943 00:00 | US-2320433-A // Telephone transmitter // Herckmans Alfred // Bell Telephone Labor Inc | ||||
| PDF File 2236392.pdf | 317 kB | Shaun Ewing | Mar 25, 1941 00:00 |
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US-2236392-A // Concrete compacting tool // Barry Joseph F. ; Harley Joseph J. ; Hayford Walter S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Mar 25, 1941 00:00 | US-2236392-A // Concrete compacting tool // Barry Joseph F. ; Harley Joseph J. ; Hayford Walter S. // Bell Telephone Labor Inc | ||||
| PDF File 2356331.pdf | 317 kB | Shaun Ewing | Aug 22, 1944 00:00 |
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US-2356331-A // Amplification with high efficiency // Mcrae James W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Aug 22, 1944 00:00 | US-2356331-A // Amplification with high efficiency // Mcrae James W. // Bell Telephone Labor Inc | ||||
| PDF File 2332338.pdf | 317 kB | Shaun Ewing | Oct 19, 1943 00:00 |
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US-2332338-A // Contact making device // Jr. Robert Lee Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332338-A // Contact making device // Jr. Robert Lee Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2267364.pdf | 316 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267364-A // Seal for circuit controlling devices // Blount Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267364-A // Seal for circuit controlling devices // Blount Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2273532.pdf | 316 kB | Shaun Ewing | Feb 17, 1942 00:00 |
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US-2273532-A // Low frequency indicator and recorder // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 316 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273532-A // Low frequency indicator and recorder // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2362937.pdf | 315 kB | Shaun Ewing | Nov 14, 1944 00:00 |
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US-2362937-A // Electric discharge device // Shepherd William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Nov 14, 1944 00:00 | US-2362937-A // Electric discharge device // Shepherd William G. // Bell Telephone Labor Inc |
