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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1611224.pdf | 266 kB | Shaun Ewing | Dec 21, 1926 00:00 |
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US-1611224-A // Method and apparatus for measuring frequency // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Dec 21, 1926 00:00 | US-1611224-A // Method and apparatus for measuring frequency // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1611252.pdf | 1.00 MB | Shaun Ewing | Dec 21, 1926 00:00 |
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US-1611252-A // Switching system // Snavely Paul M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Dec 21, 1926 00:00 | US-1611252-A // Switching system // Snavely Paul M. // American Telephone & Telegraph | ||||
| PDF File 1612005.pdf | 183 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612005-A // Electrical picture-transmission system // Ellsworth James D. // American Telephone & Telegraph | |||
| Version 1 (current) | 183 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612005-A // Electrical picture-transmission system // Ellsworth James D. // American Telephone & Telegraph | ||||
| PDF File 1612011.pdf | 632 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612011-A // Recording and reproducing system // Green Irving W. ; Bisbee Frederick C. // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612011-A // Recording and reproducing system // Green Irving W. ; Bisbee Frederick C. // American Telephone & Telegraph | ||||
| PDF File 1612019.pdf | 315 kB | Shaun Ewing | Dec 28, 1926 00:00 |
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US-1612019-A // Asymmetrical wave-generating system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Dec 28, 1926 00:00 | US-1612019-A // Asymmetrical wave-generating system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1612848.pdf | 253 kB | Shaun Ewing | Jan 04, 1927 00:00 |
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US-1612848-A // Multiplex telegraphy // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 253 kB | Shaun Ewing | Jan 04, 1927 00:00 | US-1612848-A // Multiplex telegraphy // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1612849.pdf | 579 kB | Shaun Ewing | Jan 04, 1927 00:00 |
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US-1612849-A // Testing device // Anderson Grenville T. ; Taplin Carleton V. // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Jan 04, 1927 00:00 | US-1612849-A // Testing device // Anderson Grenville T. ; Taplin Carleton V. // American Telephone & Telegraph | ||||
| PDF File 1613685.pdf | 1.13 MB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613685-A // Printing-telegraph exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613685-A // Printing-telegraph exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1613686.pdf | 958 kB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613686-A // Method of and apparatus for secret electrical transmission of pictures // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 958 kB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613686-A // Method of and apparatus for secret electrical transmission of pictures // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1613704.pdf | 679 kB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613704-A // Telegraph-distortion measuring system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613704-A // Telegraph-distortion measuring system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1614545.pdf | 1.07 MB | Shaun Ewing | Jan 18, 1927 00:00 |
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US-1614545-A // Carrier telegraph circuits // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Jan 18, 1927 00:00 | US-1614545-A // Carrier telegraph circuits // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1614546.pdf | 285 kB | Shaun Ewing | Jan 18, 1927 00:00 |
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US-1614546-A // Multiplex telegraphy with magnitude discrimination // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 285 kB | Shaun Ewing | Jan 18, 1927 00:00 | US-1614546-A // Multiplex telegraphy with magnitude discrimination // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1614555.pdf | 205 kB | Shaun Ewing | Jan 18, 1927 00:00 |
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US-1614555-A // Multiplex telegraph system with magnitude discrimination // Hunter Howard V. // American Telephone & Telegraph | |||
| Version 1 (current) | 205 kB | Shaun Ewing | Jan 18, 1927 00:00 | US-1614555-A // Multiplex telegraph system with magnitude discrimination // Hunter Howard V. // American Telephone & Telegraph | ||||
| PDF File 1615219.pdf | 352 kB | Shaun Ewing | Jan 25, 1927 00:00 |
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US-1615219-A // Telephone switchboard cord terminal test connecter // Franfield John C. // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jan 25, 1927 00:00 | US-1615219-A // Telephone switchboard cord terminal test connecter // Franfield John C. // American Telephone & Telegraph | ||||
| PDF File 1615252.pdf | 470 kB | Shaun Ewing | Jan 25, 1927 00:00 |
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US-1615252-A // Electrical wave filter // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 470 kB | Shaun Ewing | Jan 25, 1927 00:00 | US-1615252-A // Electrical wave filter // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1615259.pdf | 352 kB | Shaun Ewing | Jan 25, 1927 00:00 |
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US-1615259-A // Telephone repeater system // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jan 25, 1927 00:00 | US-1615259-A // Telephone repeater system // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1615896.pdf | 359 kB | Shaun Ewing | Feb 01, 1927 00:00 |
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US-1615896-A // High-frequency signaling system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Feb 01, 1927 00:00 | US-1615896-A // High-frequency signaling system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1615911.pdf | 739 kB | Shaun Ewing | Feb 01, 1927 00:00 |
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US-1615911-A // Apparatus and method for regulating attenuation and phase on transmission lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Feb 01, 1927 00:00 | US-1615911-A // Apparatus and method for regulating attenuation and phase on transmission lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1615913.pdf | 380 kB | Shaun Ewing | Feb 01, 1927 00:00 |
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US-1615913-A // Radio direction-finding system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Feb 01, 1927 00:00 | US-1615913-A // Radio direction-finding system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1616491.pdf | 306 kB | Shaun Ewing | Feb 08, 1927 00:00 |
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US-1616491-A // Headband for telephone receivers // Green Irving W. // American Telephone & Telegraph | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Feb 08, 1927 00:00 | US-1616491-A // Headband for telephone receivers // Green Irving W. // American Telephone & Telegraph |
