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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 1649863.pdf | 394 kB | Shaun Ewing | Nov 22, 1927 00:00 |
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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 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 1648975.pdf | 526 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648975-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648975-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1648974.pdf | 352 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648974-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648974-A // Printing-telegraph-exchange system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1648922.pdf | 493 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648922-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648922-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1648145.pdf | 315 kB | Shaun Ewing | Nov 08, 1927 00:00 |
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US-1648145-A // Method and apparatus for compensating distortion on long loaded lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648145-A // Method and apparatus for compensating distortion on long loaded lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1648079.pdf | 855 kB | Shaun Ewing | Nov 08, 1927 00:00 |
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US-1648079-A // Testing system for telephone cord circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 855 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648079-A // Testing system for telephone cord circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1648058.pdf | 550 kB | Shaun Ewing | Nov 08, 1927 00:00 |
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US-1648058-A // Electrovision // Parker Ralzemond D. // American Telephone & Telegraph | |||
| Version 1 (current) | 550 kB | Shaun Ewing | Nov 08, 1927 00:00 | US-1648058-A // Electrovision // Parker Ralzemond D. // American Telephone & Telegraph | ||||
| PDF File 1647796.pdf | 1.07 MB | Shaun Ewing | Nov 01, 1927 00:00 |
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US-1647796-A // Telephone system // Glezen Lee L. ; Shackleton Samuel P. ; Vroom Edward // Western Electric Co ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Nov 01, 1927 00:00 | US-1647796-A // Telephone system // Glezen Lee L. ; Shackleton Samuel P. ; Vroom Edward // Western Electric Co ; American Telephone & Telegraph | ||||
| PDF File 1647212.pdf | 887 kB | Shaun Ewing | Nov 01, 1927 00:00 |
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US-1647212-A // Vacuum-tube-echo suppressor // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Nov 01, 1927 00:00 | US-1647212-A // Vacuum-tube-echo suppressor // Crisson George // American Telephone & Telegraph |
