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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1511326.pdf | 553 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511326-A // Duplex telegraphy // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 553 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511326-A // Duplex telegraphy // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1511015.pdf | 715 kB | Shaun Ewing | Oct 07, 1924 00:00 |
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US-1511015-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1511015-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1511014.pdf | 760 kB | Shaun Ewing | Oct 07, 1924 00:00 |
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US-1511014-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 760 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1511014-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1511013.pdf | 1.77 MB | Shaun Ewing | Oct 07, 1924 00:00 |
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US-1511013-A // Equalization of carrier transmissions // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Oct 07, 1924 00:00 | US-1511013-A // Equalization of carrier transmissions // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1510985.pdf | 943 kB | Shaun Ewing | Oct 07, 1924 00:00 |
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US-1510985-A // Transmission regulation // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 943 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1510985-A // Transmission regulation // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1509901.pdf | 383 kB | Shaun Ewing | Sept 30, 1924 00:00 |
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US-1509901-A // Electrical measuring system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Sept 30, 1924 00:00 | US-1509901-A // Electrical measuring system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1509886.pdf | 1.11 MB | Shaun Ewing | Sept 30, 1924 00:00 |
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US-1509886-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Sept 30, 1924 00:00 | US-1509886-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1509184.pdf | 802 kB | Shaun Ewing | Sept 23, 1924 00:00 |
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US-1509184-A // Multiple-band wave filter // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Sept 23, 1924 00:00 | US-1509184-A // Multiple-band wave filter // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1509139.pdf | 233 kB | Shaun Ewing | Sept 23, 1924 00:00 |
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US-1509139-A // Radio receiving apparatus // Grimes David // American Telephone & Telegraph | |||
| Version 1 (current) | 233 kB | Shaun Ewing | Sept 23, 1924 00:00 | US-1509139-A // Radio receiving apparatus // Grimes David // American Telephone & Telegraph | ||||
| PDF File 1508425.pdf | 661 kB | Shaun Ewing | Sept 16, 1924 00:00 |
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US-1508425-A // Telephone private branch exchange circuits // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 661 kB | Shaun Ewing | Sept 16, 1924 00:00 | US-1508425-A // Telephone private branch exchange circuits // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1508424.pdf | 439 kB | Shaun Ewing | Sept 16, 1924 00:00 |
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US-1508424-A // Telephone desk set // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Sept 16, 1924 00:00 | US-1508424-A // Telephone desk set // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1507178.pdf | 474 kB | Shaun Ewing | Sept 02, 1924 00:00 |
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US-1507178-A // Method of and means for reducing interference in transmission systems // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Sept 02, 1924 00:00 | US-1507178-A // Method of and means for reducing interference in transmission systems // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1507160.pdf | 348 kB | Shaun Ewing | Sept 02, 1924 00:00 |
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US-1507160-A // Pilot-wire regulator system // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Sept 02, 1924 00:00 | US-1507160-A // Pilot-wire regulator system // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1505231.pdf | 596 kB | Shaun Ewing | Aug 19, 1924 00:00 |
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US-1505231-A // Signaling system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 596 kB | Shaun Ewing | Aug 19, 1924 00:00 | US-1505231-A // Signaling system // Toomey John F. // 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 | ||||
| PDF File 1504535.pdf | 598 kB | Shaun Ewing | Aug 12, 1924 00:00 |
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US-1504535-A // Multiplex transmission channel // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Aug 12, 1924 00:00 | US-1504535-A // Multiplex transmission channel // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1504319.pdf | 565 kB | Shaun Ewing | Aug 12, 1924 00:00 |
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US-1504319-A // Testing apparatus // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 565 kB | Shaun Ewing | Aug 12, 1924 00:00 | US-1504319-A // Testing apparatus // Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1504303.pdf | 1.26 MB | Shaun Ewing | Aug 12, 1924 00:00 |
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US-1504303-A // Method of and means for reducing static disturbances // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Aug 12, 1924 00:00 | US-1504303-A // Method of and means for reducing static disturbances // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1504135.pdf | 729 kB | Shaun Ewing | Aug 05, 1924 00:00 |
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US-1504135-A // Telephone repeater circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 729 kB | Shaun Ewing | Aug 05, 1924 00:00 | US-1504135-A // Telephone repeater circuits // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1504124.pdf | 714 kB | Shaun Ewing | Aug 05, 1924 00:00 |
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US-1504124-A // Electrical testing system // Kuhn George W. // American Telephone & Telegraph | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Aug 05, 1924 00:00 | US-1504124-A // Electrical testing system // Kuhn George W. // American Telephone & Telegraph |
