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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1649819.pdf | 607 kB | Shaun Ewing | Nov 22, 1927 00:00 |
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US-1649819-A // System of television // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Nov 22, 1927 00:00 | US-1649819-A // System of television // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1649863.pdf | 394 kB | Shaun Ewing | Nov 22, 1927 00:00 |
|
US-1649863-A // Cross-fire-neutralizing system // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Nov 22, 1927 00:00 | US-1649863-A // Cross-fire-neutralizing system // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1649884.pdf | 276 kB | Shaun Ewing | Nov 22, 1927 00:00 |
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US-1649884-A // Protective circuits // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 276 kB | Shaun Ewing | Nov 22, 1927 00:00 | US-1649884-A // Protective circuits // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1650655.pdf | 355 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650655-A // System of multifrequency circuits // Rose Arthur F. // American Telephone & Telegraph | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650655-A // System of multifrequency circuits // Rose Arthur F. // American Telephone & Telegraph | ||||
| PDF File 1650671.pdf | 605 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650671-A // Stereopticon-control device // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 605 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650671-A // Stereopticon-control device // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1650683.pdf | 573 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650683-A // Straightforward trunking system // Bascom Henry M. ; Fowler Clarence B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650683-A // Straightforward trunking system // Bascom Henry M. ; Fowler Clarence B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1650865.pdf | 333 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650865-A // Headband for telephone receivers // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650865-A // Headband for telephone receivers // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1651440.pdf | 680 kB | Shaun Ewing | Dec 06, 1927 00:00 |
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US-1651440-A // Electrical testing apparatus // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 680 kB | Shaun Ewing | Dec 06, 1927 00:00 | US-1651440-A // Electrical testing apparatus // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1651451.pdf | 333 kB | Shaun Ewing | Dec 06, 1927 00:00 |
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US-1651451-A // Battery light // Fish Lewin B. // American Telephone & Telegraph | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Dec 06, 1927 00:00 | US-1651451-A // Battery light // Fish Lewin B. // American Telephone & Telegraph | ||||
| PDF File 1651480.pdf | 179 kB | Shaun Ewing | Dec 06, 1927 00:00 |
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US-1651480-A // Battery light // John Everett St. // American Telephone & Telegraph | |||
| Version 1 (current) | 179 kB | Shaun Ewing | Dec 06, 1927 00:00 | US-1651480-A // Battery light // John Everett St. // American Telephone & Telegraph | ||||
| PDF File 1652239.pdf | 350 kB | Shaun Ewing | Dec 13, 1927 00:00 |
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US-1652239-A // Coin collector // Edwards William H. ; Tucker Rexford S. // American Telephone & Telegraph | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Dec 13, 1927 00:00 | US-1652239-A // Coin collector // Edwards William H. ; Tucker Rexford S. // American Telephone & Telegraph | ||||
| PDF File 1652241.pdf | 354 kB | Shaun Ewing | Dec 13, 1927 00:00 |
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US-1652241-A // Device for electrical measurement // Hall Merton C. // American Telephone & Telegraph | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Dec 13, 1927 00:00 | US-1652241-A // Device for electrical measurement // Hall Merton C. // American Telephone & Telegraph | ||||
| PDF File 1652242.pdf | 421 kB | Shaun Ewing | Dec 13, 1927 00:00 |
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US-1652242-A // Telegraph repeater // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Dec 13, 1927 00:00 | US-1652242-A // Telegraph repeater // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1653074.pdf | 539 kB | Shaun Ewing | Dec 20, 1927 00:00 |
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US-1653074-A // Transmission of pictures by electricity // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 539 kB | Shaun Ewing | Dec 20, 1927 00:00 | US-1653074-A // Transmission of pictures by electricity // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1653082.pdf | 481 kB | Shaun Ewing | Dec 20, 1927 00:00 |
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US-1653082-A // Volume indicator // Bailey Austin // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Dec 20, 1927 00:00 | US-1653082-A // Volume indicator // Bailey Austin // American Telephone & Telegraph | ||||
| PDF File 1653089.pdf | 467 kB | Shaun Ewing | Dec 20, 1927 00:00 |
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US-1653089-A // Telegraph system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Dec 20, 1927 00:00 | US-1653089-A // Telegraph system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1653694.pdf | 171 kB | Shaun Ewing | Dec 27, 1927 00:00 |
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US-1653694-A // Apparatus and method for measuring transmitted light // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 171 kB | Shaun Ewing | Dec 27, 1927 00:00 | US-1653694-A // Apparatus and method for measuring transmitted light // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1653736.pdf | 280 kB | Shaun Ewing | Dec 27, 1927 00:00 |
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US-1653736-A // Impulse-registering device // Shackleton Samuel P. ; Schott John T. // American Telephone & Telegraph | |||
| Version 1 (current) | 280 kB | Shaun Ewing | Dec 27, 1927 00:00 | US-1653736-A // Impulse-registering device // Shackleton Samuel P. ; Schott John T. // American Telephone & Telegraph | ||||
| PDF File 1653738.pdf | 470 kB | Shaun Ewing | Dec 27, 1927 00:00 |
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US-1653738-A // Suppression of echoes and singing in four-wire circuits // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 470 kB | Shaun Ewing | Dec 27, 1927 00:00 | US-1653738-A // Suppression of echoes and singing in four-wire circuits // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1654633.pdf | 361 kB | Shaun Ewing | Jan 03, 1928 00:00 |
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US-1654633-A // Recording system // Bisbee Frederick Carleton // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jan 03, 1928 00:00 | US-1654633-A // Recording system // Bisbee Frederick Carleton // American Telephone & Telegraph |
