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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1663747.pdf | 452 kB | Shaun Ewing | Mar 27, 1928 00:00 |
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US-1663747-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Mar 27, 1928 00:00 | US-1663747-A // Telephone-exchange system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1662888.pdf | 410 kB | Shaun Ewing | Mar 20, 1928 00:00 |
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US-1662888-A // Automatic volume control for telephone lines // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 410 kB | Shaun Ewing | Mar 20, 1928 00:00 | US-1662888-A // Automatic volume control for telephone lines // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1662126.pdf | 397 kB | Shaun Ewing | Mar 13, 1928 00:00 |
|
US-1662126-A // Duplex radio signaling set // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 397 kB | Shaun Ewing | Mar 13, 1928 00:00 | US-1662126-A // Duplex radio signaling set // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1662081.pdf | 348 kB | Shaun Ewing | Mar 13, 1928 00:00 |
|
US-1662081-A // High-frequency modulating system // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Mar 13, 1928 00:00 | US-1662081-A // High-frequency modulating system // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1662060.pdf | 432 kB | Shaun Ewing | Mar 13, 1928 00:00 |
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US-1662060-A // Relay and circuits therefor // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Mar 13, 1928 00:00 | US-1662060-A // Relay and circuits therefor // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1661264.pdf | 596 kB | Shaun Ewing | Mar 06, 1928 00:00 |
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US-1661264-A // Method of and means for regulating the transmission over electric circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 596 kB | Shaun Ewing | Mar 06, 1928 00:00 | US-1661264-A // Method of and means for regulating the transmission over electric circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1661263.pdf | 772 kB | Shaun Ewing | Mar 06, 1928 00:00 |
|
US-1661263-A // Method of and means for regulating the transmission over electric circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Mar 06, 1928 00:00 | US-1661263-A // Method of and means for regulating the transmission over electric circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1661167.pdf | 445 kB | Shaun Ewing | Mar 06, 1928 00:00 |
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US-1661167-A // System of picture transmission // Clark Alva B. ; Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Mar 06, 1928 00:00 | US-1661167-A // System of picture transmission // Clark Alva B. ; Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1660405.pdf | 479 kB | Shaun Ewing | Feb 28, 1928 00:00 |
|
US-1660405-A // High-frequency-measuring system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Feb 28, 1928 00:00 | US-1660405-A // High-frequency-measuring system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1660389.pdf | 254 kB | Shaun Ewing | Feb 28, 1928 00:00 |
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US-1660389-A // System of synchronizing signaling apparatus // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Feb 28, 1928 00:00 | US-1660389-A // System of synchronizing signaling apparatus // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1660388.pdf | 259 kB | Shaun Ewing | Feb 28, 1928 00:00 |
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US-1660388-A // System of synchronizing signaling apparatus // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 259 kB | Shaun Ewing | Feb 28, 1928 00:00 | US-1660388-A // System of synchronizing signaling apparatus // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1659745.pdf | 217 kB | Shaun Ewing | Feb 21, 1928 00:00 |
|
US-1659745-A // Wire clamp // Rapelje John A. // American Telephone & Telegraph | |||
| Version 1 (current) | 217 kB | Shaun Ewing | Feb 21, 1928 00:00 | US-1659745-A // Wire clamp // Rapelje John A. // American Telephone & Telegraph | ||||
| PDF File 1659731.pdf | 312 kB | Shaun Ewing | Feb 21, 1928 00:00 |
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US-1659731-A // Insulator // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 312 kB | Shaun Ewing | Feb 21, 1928 00:00 | US-1659731-A // Insulator // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1659729.pdf | 320 kB | Shaun Ewing | Feb 21, 1928 00:00 |
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US-1659729-A // Constant-voltage alternator // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Feb 21, 1928 00:00 | US-1659729-A // Constant-voltage alternator // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1658887.pdf | 331 kB | Shaun Ewing | Feb 14, 1928 00:00 |
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US-1658887-A // Duct grapple // Dotzauer John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658887-A // Duct grapple // Dotzauer John F. // American Telephone & Telegraph | ||||
| PDF File 1658856.pdf | 758 kB | Shaun Ewing | Feb 14, 1928 00:00 |
|
US-1658856-A // Transmission-line control system // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 758 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658856-A // Transmission-line control system // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1658851.pdf | 478 kB | Shaun Ewing | Feb 14, 1928 00:00 |
|
US-1658851-A // Directive radio repeating system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658851-A // Directive radio repeating system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1658096.pdf | 456 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658096-A // Unloading device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658096-A // Unloading device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | ||||
| PDF File 1658095.pdf | 486 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658095-A // Feeding device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658095-A // Feeding device for belt conveyers // Paschen Harold F. // American Telephone & Telegraph | ||||
| PDF File 1658094.pdf | 464 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658094-A // Paper-conveying system // Paschen Harold F. ; Potter Edward F. De // American Telephone & Telegraph | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658094-A // Paper-conveying system // Paschen Harold F. ; Potter Edward F. De // American Telephone & Telegraph |
