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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 2267954.pdf | 360 kB | Shaun Ewing | Dec 30, 1941 00:00 |
|
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 2267957.pdf | 544 kB | Shaun Ewing | Dec 30, 1941 00:00 |
|
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 2268165.pdf | 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 | |||
| 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 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 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 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 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 2268235.pdf | 950 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268235-A // Time delay relay // Aamodt Thoralf // Bell Telephone Labor Inc | |||
| Version 1 (current) | 950 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268235-A // Time delay relay // Aamodt Thoralf // Bell Telephone Labor Inc | ||||
| PDF File 2268248.pdf | 416 kB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268248-A // Cardholder // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268248-A // Cardholder // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2268365.pdf | 1.34 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268365-A // Piezoelectric apparatus // Willard Gerald W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268365-A // Piezoelectric apparatus // Willard Gerald W. // Bell Telephone Labor Inc | ||||
| PDF File 2268397.pdf | 2.48 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268397-A // Telephone system // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.48 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268397-A // Telephone system // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2268413.pdf | 1.25 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268413-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268413-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2268635.pdf | 1.64 MB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2268635-A // Telephone system // Baumfalk John ; Hall Oliver C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Jan 06, 1942 00:00 | US-2268635-A // Telephone system // Baumfalk John ; Hall Oliver C. // Bell Telephone Labor Inc | ||||
| PDF File 2268670.pdf | 1.38 MB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2268670-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Jan 06, 1942 00:00 | US-2268670-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2268794.pdf | 462 kB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2268794-A // Telephone substation apparatus // Beardsley Harry I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2268794-A // Telephone substation apparatus // Beardsley Harry I. // Bell Telephone Labor Inc | ||||
| PDF File 2268844.pdf | 673 kB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2268844-A // Steerable antenna system // Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 673 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2268844-A // Steerable antenna system // Polkinghorn Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2268984.pdf | 901 kB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2268984-A // Busy line recorder // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 901 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2268984-A // Busy line recorder // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2269022.pdf | 635 kB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2269022-A // Telephone system // Hccht George ; Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 635 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2269022-A // Telephone system // Hccht George ; Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2269034.pdf | 1.25 MB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2269034-A // Broadcast switching system // Murphy Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jan 06, 1942 00:00 | US-2269034-A // Broadcast switching system // Murphy Paul B. // Bell Telephone Labor Inc |
