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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1636054.pdf | 429 kB | Shaun Ewing | Jul 19, 1927 00:00 |
|
US-1636054-A // Electrical discharge device // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Jul 19, 1927 00:00 | US-1636054-A // Electrical discharge device // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1636053.pdf | 754 kB | Shaun Ewing | Jul 19, 1927 00:00 |
|
US-1636053-A // Carrier-telegraph repeater circuits // Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Jul 19, 1927 00:00 | US-1636053-A // Carrier-telegraph repeater circuits // Hamilton Baxter P. // American Telephone & Telegraph | ||||
| PDF File 1636031.pdf | 254 kB | Shaun Ewing | Jul 19, 1927 00:00 |
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US-1636031-A // Voice-operated relay equipment // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Jul 19, 1927 00:00 | US-1636031-A // Voice-operated relay equipment // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1635227.pdf | 706 kB | Shaun Ewing | Jul 12, 1927 00:00 |
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US-1635227-A // Cord-circuit repeater // Shackleton Samuel P. ; Glezen Lee L. // American Telephone & Telegraph | |||
| Version 1 (current) | 706 kB | Shaun Ewing | Jul 12, 1927 00:00 | US-1635227-A // Cord-circuit repeater // Shackleton Samuel P. ; Glezen Lee L. // American Telephone & Telegraph | ||||
| PDF File 1635209.pdf | 408 kB | Shaun Ewing | Jul 12, 1927 00:00 |
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US-1635209-A // Telegraph distortion-measuring system // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Jul 12, 1927 00:00 | US-1635209-A // Telegraph distortion-measuring system // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1635207.pdf | 288 kB | Shaun Ewing | Jul 12, 1927 00:00 |
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US-1635207-A // Carrier current telegraphy // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 288 kB | Shaun Ewing | Jul 12, 1927 00:00 | US-1635207-A // Carrier current telegraphy // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1634734.pdf | 609 kB | Shaun Ewing | Jul 05, 1927 00:00 |
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US-1634734-A // Telephone-exchange system // Blauvelt William G. // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Jul 05, 1927 00:00 | US-1634734-A // Telephone-exchange system // Blauvelt William G. // American Telephone & Telegraph | ||||
| PDF File 1634299.pdf | 348 kB | Shaun Ewing | Jul 05, 1927 00:00 |
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US-1634299-A // Telegraph circuits // Parker Ralzemond D. // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jul 05, 1927 00:00 | US-1634299-A // Telegraph circuits // Parker Ralzemond D. // American Telephone & Telegraph | ||||
| PDF File 1634286.pdf | 321 kB | Shaun Ewing | Jul 05, 1927 00:00 |
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US-1634286-A // Telegraph circuits // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 321 kB | Shaun Ewing | Jul 05, 1927 00:00 | US-1634286-A // Telegraph circuits // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1634271.pdf | 261 kB | Shaun Ewing | Jul 05, 1927 00:00 |
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US-1634271-A // Composite ringer // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 261 kB | Shaun Ewing | Jul 05, 1927 00:00 | US-1634271-A // Composite ringer // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1633625.pdf | 309 kB | Shaun Ewing | Jun 28, 1927 00:00 |
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US-1633625-A // Secrecy system // Rspenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 309 kB | Shaun Ewing | Jun 28, 1927 00:00 | US-1633625-A // Secrecy system // Rspenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1633615.pdf | 459 kB | Shaun Ewing | Jun 28, 1927 00:00 |
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US-1633615-A // Delay circuits for voice-operated devices // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Jun 28, 1927 00:00 | US-1633615-A // Delay circuits for voice-operated devices // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1633611.pdf | 411 kB | Shaun Ewing | Jun 28, 1927 00:00 |
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US-1633611-A // Means for preventing electrical interfer ence // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Jun 28, 1927 00:00 | US-1633611-A // Means for preventing electrical interfer ence // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1633082.pdf | 1.39 MB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1633082-A // Distribution of intelligence // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Jun 21, 1927 00:00 | US-1633082-A // Distribution of intelligence // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1632826.pdf | 338 kB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1632826-A // Trunk signaling system // Eagon Lloyd L. // American Telephone & Telegraph | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Jun 21, 1927 00:00 | US-1632826-A // Trunk signaling system // Eagon Lloyd L. // American Telephone & Telegraph | ||||
| PDF File 1632817.pdf | 180 kB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1632817-A // Transmission system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 180 kB | Shaun Ewing | Jun 21, 1927 00:00 | US-1632817-A // Transmission system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1632814.pdf | 434 kB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1632814-A // Filter for periodic electric currents // Zinn Manvel K. // American Telephone & Telegraph | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Jun 21, 1927 00:00 | US-1632814-A // Filter for periodic electric currents // Zinn Manvel K. // American Telephone & Telegraph | ||||
| PDF File 1632777.pdf | 988 kB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1632777-A // Distribution of intelligence // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Jun 21, 1927 00:00 | US-1632777-A // Distribution of intelligence // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1632030.pdf | 361 kB | Shaun Ewing | Jun 14, 1927 00:00 |
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US-1632030-A // Method and means for the identification of electrical cables // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jun 14, 1927 00:00 | US-1632030-A // Method and means for the identification of electrical cables // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1632025.pdf | 765 kB | Shaun Ewing | Jun 14, 1927 00:00 |
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US-1632025-A // Automatic telephone system // Dustin George E. // American Telephone & Telegraph | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Jun 14, 1927 00:00 | US-1632025-A // Automatic telephone system // Dustin George E. // American Telephone & Telegraph |
