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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2254034.pdf | 204 kB | Shaun Ewing | Aug 26, 1941 00:00 |
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US-2254034-A // Sound rerecording system // Fletcher Harvey // Bell Telephone Labor Inc | |||
| Version 1 (current) | 204 kB | Shaun Ewing | Aug 26, 1941 00:00 | US-2254034-A // Sound rerecording system // Fletcher Harvey // 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 2254037.pdf | 535 kB | Shaun Ewing | Aug 26, 1941 00:00 |
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US-2254037-A // Polarized relay // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Aug 26, 1941 00:00 | US-2254037-A // Polarized relay // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2254205.pdf | 959 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254205-A // Signal transmission system // Bollman John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254205-A // Signal transmission system // Bollman John H. // Bell Telephone Labor Inc | ||||
| PDF File 2254264.pdf | 560 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254264-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 560 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254264-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2254265.pdf | 590 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254265-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254265-A // Electron discharge apparatus // Bruce Edmond // 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 2254377.pdf | 468 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254377-A // Repeater station // Magglo John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254377-A // Repeater station // Magglo John B. // Bell Telephone Labor Inc | ||||
| PDF File 2254378.pdf | 472 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254378-A // Telephone system // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 472 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254378-A // Telephone system // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2254589.pdf | 1.26 MB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254589-A // Pulse delay relay // Aamodt Thoralf // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254589-A // Pulse delay relay // Aamodt Thoralf // Bell Telephone Labor Inc | ||||
| PDF File 2254601.pdf | 1.56 MB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254601-A // Automatic measuring of cross talk // Jr. Edwin P. Felch, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254601-A // Automatic measuring of cross talk // Jr. Edwin P. Felch, // Bell Telephone Labor Inc | ||||
| PDF File 2254614.pdf | 1.48 MB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254614-A // Electro-optical scanning system // Mattke Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254614-A // Electro-optical scanning system // Mattke Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2254723.pdf | 646 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254723-A // Subscriber line circuit // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254723-A // Subscriber line circuit // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 2254733.pdf | 764 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254733-A // Control of two-way telephone systems // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254733-A // Control of two-way telephone systems // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2254852.pdf | 424 kB | Shaun Ewing | Sept 02, 1941 00:00 |
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US-2254852-A // Oscillation generator // Miller Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254852-A // Oscillation generator // Miller Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 2255595.pdf | 1.55 MB | Shaun Ewing | Sept 09, 1941 00:00 |
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US-2255595-A // Signaling system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.55 MB | Shaun Ewing | Sept 09, 1941 00:00 | US-2255595-A // Signaling system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2255596.pdf | 2.05 MB | Shaun Ewing | Sept 09, 1941 00:00 |
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US-2255596-A // Teletypewriter switching system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.05 MB | Shaun Ewing | Sept 09, 1941 00:00 | US-2255596-A // Teletypewriter switching system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2257568.pdf | 2.20 MB | Shaun Ewing | Sept 30, 1941 00:00 |
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US-2257568-A // Communication system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.20 MB | Shaun Ewing | Sept 30, 1941 00:00 | US-2257568-A // Communication system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2257783.pdf | 930 kB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2257783-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 930 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257783-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2257795.pdf | 1.26 MB | Shaun Ewing | Oct 07, 1941 00:00 |
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US-2257795-A // Electron discharge apparatus and circuits // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257795-A // Electron discharge apparatus and circuits // Gray Frank // Bell Telephone Labor Inc |
