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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1671151.pdf | 1.42 MB | Shaun Ewing | May 29, 1928 00:00 |
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US-1671151-A // Method of and apparatus for reducing width of transmission bands // French Norman R. ; Zinn Manvel K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.42 MB | Shaun Ewing | May 29, 1928 00:00 | US-1671151-A // Method of and apparatus for reducing width of transmission bands // French Norman R. ; Zinn Manvel K. // American Telephone & Telegraph | ||||
| PDF File 1671172.pdf | 654 kB | Shaun Ewing | May 29, 1928 00:00 |
|
US-1671172-A // Volume-control apparatus // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 654 kB | Shaun Ewing | May 29, 1928 00:00 | US-1671172-A // Volume-control apparatus // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1672049.pdf | 371 kB | Shaun Ewing | Jun 05, 1928 00:00 |
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US-1672049-A // Alternating-current relay // Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 371 kB | Shaun Ewing | Jun 05, 1928 00:00 | US-1672049-A // Alternating-current relay // Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1672056.pdf | 684 kB | Shaun Ewing | Jun 05, 1928 00:00 |
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US-1672056-A // Translating circuit // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 684 kB | Shaun Ewing | Jun 05, 1928 00:00 | US-1672056-A // Translating circuit // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1672057.pdf | 348 kB | Shaun Ewing | Jun 05, 1928 00:00 |
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US-1672057-A // Electrical circuits // Clark Alva Benson // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jun 05, 1928 00:00 | US-1672057-A // Electrical circuits // Clark Alva Benson // American Telephone & Telegraph | ||||
| PDF File 1672933.pdf | 885 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1672933-A // Lineman's test set // Edwards William H. ; Niles Eliot W. // American Telephone & Telegraph | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1672933-A // Lineman's test set // Edwards William H. ; Niles Eliot W. // American Telephone & Telegraph | ||||
| PDF File 1672940.pdf | 289 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1672940-A // Carrier transmission over power circuits // Honaman Richard K. // American Telephone & Telegraph | |||
| Version 1 (current) | 289 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1672940-A // Carrier transmission over power circuits // Honaman Richard K. // American Telephone & Telegraph | ||||
| PDF File 1673792.pdf | 517 kB | Shaun Ewing | Jun 19, 1928 00:00 |
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US-1673792-A // Level control for carrier-transmission systems // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Jun 19, 1928 00:00 | US-1673792-A // Level control for carrier-transmission systems // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1673829.pdf | 248 kB | Shaun Ewing | Jun 19, 1928 00:00 |
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US-1673829-A // Testing of telegraph circuits // Kirkwood Maclean // American Telephone & Telegraph | |||
| Version 1 (current) | 248 kB | Shaun Ewing | Jun 19, 1928 00:00 | US-1673829-A // Testing of telegraph circuits // Kirkwood Maclean // American Telephone & Telegraph | ||||
| PDF File 1673830.pdf | 235 kB | Shaun Ewing | Jun 19, 1928 00:00 |
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US-1673830-A // Trouble alarm for telegraph systems // Kirkwood Maclean // American Telephone & Telegraph | |||
| Version 1 (current) | 235 kB | Shaun Ewing | Jun 19, 1928 00:00 | US-1673830-A // Trouble alarm for telegraph systems // Kirkwood Maclean // American Telephone & Telegraph | ||||
| PDF File 1674677.pdf | 666 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1674677-A // Connecter-switch circuit // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674677-A // Connecter-switch circuit // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1674679.pdf | 552 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1674679-A // Voice-operated echo suppressor // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 552 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674679-A // Voice-operated echo suppressor // Blackwell Otto B. // American Telephone & Telegraph | ||||
| PDF File 1674695.pdf | 908 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1674695-A // Radio telephone system // Nyquist Harry ; Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674695-A // Radio telephone system // Nyquist Harry ; Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1674696.pdf | 467 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1674696-A // Radio receiving system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674696-A // Radio receiving system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1674709.pdf | 389 kB | Shaun Ewing | Jun 26, 1928 00:00 |
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US-1674709-A // Reeling device // Thomas William Grady // American Telephone & Telegraph | |||
| Version 1 (current) | 389 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674709-A // Reeling device // Thomas William Grady // American Telephone & Telegraph | ||||
| PDF File 1675412.pdf | 359 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675412-A // Echo and singing suppressor system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675412-A // Echo and singing suppressor system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1675423.pdf | 431 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675423-A // Telephone substation circuits // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675423-A // Telephone substation circuits // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1675429.pdf | 470 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675429-A // Reeling device // Schnee Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 470 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675429-A // Reeling device // Schnee Henry E. // American Telephone & Telegraph | ||||
| PDF File 1675441.pdf | 635 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675441-A // Means for measuring balance of electrical networks // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 635 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675441-A // Means for measuring balance of electrical networks // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1675460.pdf | 662 kB | Shaun Ewing | Jul 03, 1928 00:00 |
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US-1675460-A // Distortion compensator // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 662 kB | Shaun Ewing | Jul 03, 1928 00:00 | US-1675460-A // Distortion compensator // Nyquist Harry // American Telephone & Telegraph |
