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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2214151.pdf | 445 kB | Shaun Ewing | Sept 10, 1940 00:00 |
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US-2214151-A // Terminal and wire connection // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Sept 10, 1940 00:00 | US-2214151-A // Terminal and wire connection // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 2214625.pdf | 458 kB | Shaun Ewing | Sept 10, 1940 00:00 |
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US-2214625-A // Testing magnetic cores and coils // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Sept 10, 1940 00:00 | US-2214625-A // Testing magnetic cores and coils // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2214804.pdf | 503 kB | Shaun Ewing | Sept 17, 1940 00:00 |
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US-2214804-A // Two-way communication system // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 503 kB | Shaun Ewing | Sept 17, 1940 00:00 | US-2214804-A // Two-way communication system // Augustadt Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2214809.pdf | 5.05 MB | Shaun Ewing | Sept 17, 1940 00:00 |
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US-2214809-A // Telephone system // Caverly Harry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.05 MB | Shaun Ewing | Sept 17, 1940 00:00 | US-2214809-A // Telephone system // Caverly Harry C. // Bell Telephone Labor Inc | ||||
| PDF File 2216532.pdf | 1.04 MB | Shaun Ewing | Oct 01, 1940 00:00 |
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US-2216532-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Oct 01, 1940 00:00 | US-2216532-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2216541.pdf | 424 kB | Shaun Ewing | Oct 01, 1940 00:00 |
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US-2216541-A // Wave filter // Och Henry G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Oct 01, 1940 00:00 | US-2216541-A // Wave filter // Och Henry G. // Bell Telephone Labor Inc | ||||
| PDF File 2216730.pdf | 692 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2216730-A // Measuring device // Berger Uriah S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2216730-A // Measuring device // Berger Uriah S. // Bell Telephone Labor Inc | ||||
| PDF File 2216893.pdf | 456 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2216893-A // Concentric conductor transmission line // Smith Phillip H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2216893-A // Concentric conductor transmission line // Smith Phillip H. // Bell Telephone Labor Inc | ||||
| PDF File 2216937.pdf | 762 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2216937-A // Wave filter // Ciccolella David F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2216937-A // Wave filter // Ciccolella David F. // Bell Telephone Labor Inc | ||||
| PDF File 2216956.pdf | 366 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2216956-A // Resonator for telephone bells // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 366 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2216956-A // Resonator for telephone bells // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2217168.pdf | 1.13 MB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217168-A // Electron discharge device // Hefele John R. ; Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217168-A // Electron discharge device // Hefele John R. ; Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2217197.pdf | 1.79 MB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217197-A // Cathode ray device // Davisson Clinton J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217197-A // Cathode ray device // Davisson Clinton J. // Bell Telephone Labor Inc | ||||
| PDF File 2217198.pdf | 2.53 MB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217198-A // Cathode ray device // Davisson Clinton J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.53 MB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217198-A // Cathode ray device // Davisson Clinton J. // Bell Telephone Labor Inc | ||||
| PDF File 2217205.pdf | 703 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217205-A // Photoelectric tube // Jr. Charles H. Prescott, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 703 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217205-A // Photoelectric tube // Jr. Charles H. Prescott, // Bell Telephone Labor Inc | ||||
| PDF File 2217334.pdf | 640 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217334-A // Screen for electro-optical device and method of preparing it // Diggory Benjamin A. ; Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217334-A // Screen for electro-optical device and method of preparing it // Diggory Benjamin A. ; Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2217417.pdf | 723 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217417-A // Electron discharge apparatus // Peterson Liss C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217417-A // Electron discharge apparatus // Peterson Liss C. // Bell Telephone Labor Inc | ||||
| PDF File 2217769.pdf | 547 kB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2217769-A // Signaling system // Price Arnold F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 547 kB | Shaun Ewing | Oct 15, 1940 00:00 | US-2217769-A // Signaling system // Price Arnold F. // Bell Telephone Labor Inc | ||||
| PDF File 2217774.pdf | 1004 kB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2217774-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1004 kB | Shaun Ewing | Oct 15, 1940 00:00 | US-2217774-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2218200.pdf | 1.31 MB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2218200-A // Piezoelectric apparatus // Lack Frederick R. ; Willard Gerald W. ; Fair Irvin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | Oct 15, 1940 00:00 | US-2218200-A // Piezoelectric apparatus // Lack Frederick R. ; Willard Gerald W. ; Fair Irvin E. // Bell Telephone Labor Inc | ||||
| PDF File 2218211.pdf | 1.71 MB | Shaun Ewing | Oct 15, 1940 00:00 |
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US-2218211-A // Telephotography // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.71 MB | Shaun Ewing | Oct 15, 1940 00:00 | US-2218211-A // Telephotography // Mitchell Doren // Bell Telephone Labor Inc |
