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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1654633.pdf | 361 kB | Shaun Ewing | Jan 03, 1928 00:00 |
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US-1654633-A // Recording system // Bisbee Frederick Carleton // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jan 03, 1928 00:00 | US-1654633-A // Recording system // Bisbee Frederick Carleton // American Telephone & Telegraph | ||||
| PDF File 1666158.pdf | 361 kB | Shaun Ewing | Apr 17, 1928 00:00 |
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US-1666158-A // System for binaural transmission of signals // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Apr 17, 1928 00:00 | US-1666158-A // System for binaural transmission of signals // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1522044.pdf | 361 kB | Shaun Ewing | Jan 06, 1925 00:00 |
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US-1522044-A // Secret-communication system // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jan 06, 1925 00:00 | US-1522044-A // Secret-communication system // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1521664.pdf | 360 kB | Shaun Ewing | Jan 06, 1925 00:00 |
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US-1521664-A // Testing circuits for echo suppressors // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 360 kB | Shaun Ewing | Jan 06, 1925 00:00 | US-1521664-A // Testing circuits for echo suppressors // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1685847.pdf | 359 kB | Shaun Ewing | Oct 02, 1928 00:00 |
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US-1685847-A // Test clip // Huntington Herbert // American Telephone & Telegraph | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Oct 02, 1928 00:00 | US-1685847-A // Test clip // Huntington Herbert // American Telephone & Telegraph | ||||
| PDF File 1385777.pdf | 359 kB | Shaun Ewing | Jul 26, 1921 00:00 |
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US-1385777-A // Grid-circuits for electron-tubes // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Jul 26, 1921 00:00 | US-1385777-A // Grid-circuits for electron-tubes // Clark Alva B. // 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 1499438.pdf | 359 kB | Shaun Ewing | Jul 01, 1924 00:00 |
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US-1499438-A // System of communication with moving vehicles // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Jul 01, 1924 00:00 | US-1499438-A // System of communication with moving vehicles // Affel Herman A. // 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 1722283.pdf | 358 kB | Shaun Ewing | Jul 30, 1929 00:00 |
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US-1722283-A // Telegraph system // Eyster James A. // American Telephone & Telegraph | |||
| Version 1 (current) | 358 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722283-A // Telegraph system // Eyster James A. // American Telephone & Telegraph | ||||
| PDF File 1583826.pdf | 358 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1583826-A // Method and apparatus for balancing out radiointerference on wire lines // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 358 kB | Shaun Ewing | May 11, 1926 00:00 | US-1583826-A // Method and apparatus for balancing out radiointerference on wire lines // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1760973.pdf | 356 kB | Shaun Ewing | Jun 03, 1930 00:00 |
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US-1760973-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jun 03, 1930 00:00 | US-1760973-A // Electrical network // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1480614.pdf | 356 kB | Shaun Ewing | Jan 15, 1924 00:00 |
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US-1480614-A // Telephone repeater // Jacobs Oliver B. // American Telephone & Telegraph | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jan 15, 1924 00:00 | US-1480614-A // Telephone repeater // Jacobs Oliver B. // American Telephone & Telegraph | ||||
| PDF File 1545541.pdf | 356 kB | Shaun Ewing | Jul 14, 1925 00:00 |
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US-1545541-A // Tandem-operated echo suppressor // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jul 14, 1925 00:00 | US-1545541-A // Tandem-operated echo suppressor // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1437457.pdf | 356 kB | Shaun Ewing | Dec 05, 1922 00:00 |
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US-1437457-A // Signaling apparatus and circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Dec 05, 1922 00:00 | US-1437457-A // Signaling apparatus and circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1758029.pdf | 355 kB | Shaun Ewing | May 13, 1930 00:00 |
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US-1758029-A // Pole planer // Cole Orange R. ; Garlinger Marshall T. // American Telephone & Telegraph | |||
| Version 1 (current) | 355 kB | Shaun Ewing | May 13, 1930 00:00 | US-1758029-A // Pole planer // Cole Orange R. ; Garlinger Marshall T. // 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 1636713.pdf | 355 kB | Shaun Ewing | Jul 26, 1927 00:00 |
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US-1636713-A // Electrical wave filter // Reier George C. // American Telephone & Telegraph | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Jul 26, 1927 00:00 | US-1636713-A // Electrical wave filter // Reier George C. // American Telephone & Telegraph | ||||
| PDF File 1652241.pdf | 354 kB | Shaun Ewing | Dec 13, 1927 00:00 |
|
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 1505158.pdf | 354 kB | Shaun Ewing | Aug 19, 1924 00:00 |
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US-1505158-A // Frequency-control system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Aug 19, 1924 00:00 | US-1505158-A // Frequency-control system // Martin De Loss K. // American Telephone & Telegraph |
