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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2268197.pdf | 1.02 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268197-A // Electron discharge device // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268197-A // Electron discharge device // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2268196.pdf | 990 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268196-A // Electron discharge device // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 990 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268196-A // Electron discharge device // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2268195.pdf | 1.11 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268195-A // Electron discharge device // Winans Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268195-A // Electron discharge device // Winans Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2268194.pdf | 1.19 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268194-A // Electron discharge device // Glass Myron S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268194-A // Electron discharge device // Glass Myron S. // Bell Telephone Labor Inc | ||||
| PDF File 2268165.pdf | 724 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268165-A // Electron discharge device // Parker Carlyle V. ; Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268165-A // Electron discharge device // Parker Carlyle V. ; Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2267957.pdf | 544 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267957-A // Wave filter // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 544 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267957-A // Wave filter // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2267954.pdf | 360 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267954-A // Electrically conductive device // Schumacher Earle E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 360 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267954-A // Electrically conductive device // Schumacher Earle E. // Bell Telephone Labor Inc | ||||
| PDF File 2267950.pdf | 1.40 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267950-A // Telephone system // Rhodes William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267950-A // Telephone system // Rhodes William A. // Bell Telephone Labor Inc | ||||
| PDF File 2267936.pdf | 524 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267936-A // Impulse code converter // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267936-A // Impulse code converter // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2267827.pdf | 1.20 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267827-A // Electric signaling system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267827-A // Electric signaling system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2267808.pdf | 528 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2267808-A // Electromagnetic device // Blount Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2267808-A // Electromagnetic device // Blount Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2267622.pdf | 929 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267622-A // Voice-operated switching circuit for two-way telephony // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 929 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267622-A // Voice-operated switching circuit for two-way telephony // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2267579.pdf | 705 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267579-A // One way at the time repeater // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 705 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267579-A // One way at the time repeater // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2267557.pdf | 755 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267557-A // Two-way repeating circuit // Espenschied Lloyd ; Mertz Pierre // Bell Telephone Labor Inc | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267557-A // Two-way repeating circuit // Espenschied Lloyd ; Mertz Pierre // Bell Telephone Labor Inc | ||||
| PDF File 2267545.pdf | 608 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267545-A // Light valve // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267545-A // Light valve // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2267544.pdf | 312 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267544-A // Optical element // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 312 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267544-A // Optical element // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2267450.pdf | 907 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267450-A // Electron discharge device // Ekstrand Sture O. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 907 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267450-A // Electron discharge device // Ekstrand Sture O. ; Ronci Victor L. // 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 2267286.pdf | 900 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267286-A // Negative feedback amplifier // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 900 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267286-A // Negative feedback amplifier // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2267268.pdf | 971 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267268-A // High frequency transmission system // Burrows Charles R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 971 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267268-A // High frequency transmission system // Burrows Charles R. // Bell Telephone Labor Inc |
