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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1974081.pdf | 699 kB | Shaun Ewing | Sept 18, 1934 00:00 |
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US-1974081-A // Piezo-electric wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Sept 18, 1934 00:00 | US-1974081-A // Piezo-electric wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1974067.pdf | 485 kB | Shaun Ewing | Sept 18, 1934 00:00 |
|
US-1974067-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 485 kB | Shaun Ewing | Sept 18, 1934 00:00 | US-1974067-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1973703.pdf | 679 kB | Shaun Ewing | Sept 18, 1934 00:00 |
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US-1973703-A // Resistance varying material // Goucher Frederick S. ; Christensen Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Sept 18, 1934 00:00 | US-1973703-A // Resistance varying material // Goucher Frederick S. ; Christensen Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 1973090.pdf | 439 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1973090-A // Electromagnetic switching device // Miller Daniel D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973090-A // Electromagnetic switching device // Miller Daniel D. // Bell Telephone Labor Inc | ||||
| PDF File 1972877.pdf | 600 kB | Shaun Ewing | Sept 11, 1934 00:00 |
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US-1972877-A // Concentric return transmission system // Eglin James M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1972877-A // Concentric return transmission system // Eglin James M. // Bell Telephone Labor Inc | ||||
| PDF File 1972276.pdf | 545 kB | Shaun Ewing | Sept 04, 1934 00:00 |
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US-1972276-A // Electron discharge device // Ronci Victor L. ; Ericsson Harry W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 545 kB | Shaun Ewing | Sept 04, 1934 00:00 | US-1972276-A // Electron discharge device // Ronci Victor L. ; Ericsson Harry W. // Bell Telephone Labor Inc | ||||
| PDF File 1971686.pdf | 628 kB | Shaun Ewing | Aug 28, 1934 00:00 |
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US-1971686-A // Telegraph signal transmitting circuits // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 628 kB | Shaun Ewing | Aug 28, 1934 00:00 | US-1971686-A // Telegraph signal transmitting circuits // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1971679.pdf | 1.13 MB | Shaun Ewing | Aug 28, 1934 00:00 |
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US-1971679-A // Transmission control circuits // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Aug 28, 1934 00:00 | US-1971679-A // Transmission control circuits // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1971675.pdf | 862 kB | Shaun Ewing | Aug 28, 1934 00:00 |
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US-1971675-A // Electrooptical image production // Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 862 kB | Shaun Ewing | Aug 28, 1934 00:00 | US-1971675-A // Electrooptical image production // Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 1971674.pdf | 923 kB | Shaun Ewing | Aug 28, 1934 00:00 |
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US-1971674-A // Electrooptical image production // Bollman John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 923 kB | Shaun Ewing | Aug 28, 1934 00:00 | US-1971674-A // Electrooptical image production // Bollman John H. // Bell Telephone Labor Inc | ||||
| PDF File 1971235.pdf | 530 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1971235-A // Radio receiving system // Rettenmeyer Francis X. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 530 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1971235-A // Radio receiving system // Rettenmeyer Francis X. // Bell Telephone Labor Inc | ||||
| PDF File 1970939.pdf | 1.13 MB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970939-A // Telephone power plant // Langabeer Harvey T. ; Lunsford Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970939-A // Telephone power plant // Langabeer Harvey T. ; Lunsford Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 1970938.pdf | 771 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970938-A // Telegraph exchange system // Kinkead Fullerton S. ; Knandel George J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970938-A // Telegraph exchange system // Kinkead Fullerton S. ; Knandel George J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 1970933.pdf | 490 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970933-A // Wave transmission network // Frederick Carl L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970933-A // Wave transmission network // Frederick Carl L. // Bell Telephone Labor Inc | ||||
| PDF File 1970926.pdf | 429 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970926-A // Sound radiator // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970926-A // Sound radiator // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 1970350.pdf | 883 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970350-A // Transmission line // West Julian M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 883 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970350-A // Transmission line // West Julian M. // Bell Telephone Labor Inc | ||||
| PDF File 1970334.pdf | 1.39 MB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970334-A // Transmission control circuits // Norwine Andrew C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970334-A // Transmission control circuits // Norwine Andrew C. // Bell Telephone Labor Inc | ||||
| PDF File 1970329.pdf | 715 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970329-A // Battery control circuit // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970329-A // Battery control circuit // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1970325.pdf | 768 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970325-A // Reduction of distortion in vacuum tube circuits // Jr. John G. Kreer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 768 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970325-A // Reduction of distortion in vacuum tube circuits // Jr. John G. Kreer, // Bell Telephone Labor Inc | ||||
| PDF File 1970316.pdf | 552 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970316-A // Vacuum tube circuits // Kalb Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 552 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970316-A // Vacuum tube circuits // Kalb Robert M. // Bell Telephone Labor Inc |
