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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1502816.pdf | 477 kB | Shaun Ewing | Jul 29, 1924 00:00 |
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US-1502816-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 477 kB | Shaun Ewing | Jul 29, 1924 00:00 | US-1502816-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1502815.pdf | 558 kB | Shaun Ewing | Jul 29, 1924 00:00 |
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US-1502815-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Jul 29, 1924 00:00 | US-1502815-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1502813.pdf | 851 kB | Shaun Ewing | Jul 29, 1924 00:00 |
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US-1502813-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 851 kB | Shaun Ewing | Jul 29, 1924 00:00 | US-1502813-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1502812.pdf | 647 kB | Shaun Ewing | Jul 29, 1924 00:00 |
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US-1502812-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 647 kB | Shaun Ewing | Jul 29, 1924 00:00 | US-1502812-A // High-frequency multiplex signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1501959.pdf | 1.39 MB | Shaun Ewing | Jul 22, 1924 00:00 |
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US-1501959-A // Loaded transmission circuits // Martin William H. ; Shaw Thomas // American Telephone & Telegraph | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Jul 22, 1924 00:00 | US-1501959-A // Loaded transmission circuits // Martin William H. ; Shaw Thomas // American Telephone & Telegraph | ||||
| PDF File 1501926.pdf | 817 kB | Shaun Ewing | Jul 22, 1924 00:00 |
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US-1501926-A // Loaded transmission circuit // Shaw Thomas // American Telephone & Telegraph | |||
| Version 1 (current) | 817 kB | Shaun Ewing | Jul 22, 1924 00:00 | US-1501926-A // Loaded transmission circuit // Shaw Thomas // American Telephone & Telegraph | ||||
| PDF File 1501104.pdf | 628 kB | Shaun Ewing | Jul 15, 1924 00:00 |
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US-1501104-A // Multiplex radio system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 628 kB | Shaun Ewing | Jul 15, 1924 00:00 | US-1501104-A // Multiplex radio system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1501103.pdf | 416 kB | Shaun Ewing | Jul 15, 1924 00:00 |
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US-1501103-A // Conjugate signaling circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Jul 15, 1924 00:00 | US-1501103-A // Conjugate signaling circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1500553.pdf | 339 kB | Shaun Ewing | Jul 08, 1924 00:00 |
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US-1500553-A // Harmonic suppressor // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 339 kB | Shaun Ewing | Jul 08, 1924 00:00 | US-1500553-A // Harmonic suppressor // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1500552.pdf | 1.51 MB | Shaun Ewing | Jul 08, 1924 00:00 |
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US-1500552-A // Multiplex transmission system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jul 08, 1924 00:00 | US-1500552-A // Multiplex transmission system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1499464.pdf | 968 kB | Shaun Ewing | Jul 01, 1924 00:00 |
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US-1499464-A // Transmission-regulating circuits // Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 968 kB | Shaun Ewing | Jul 01, 1924 00:00 | US-1499464-A // Transmission-regulating circuits // Loynes Owen H. // 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 1498915.pdf | 770 kB | Shaun Ewing | Jun 24, 1924 00:00 |
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US-1498915-A // Artificial line // Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498915-A // Artificial line // Hoyt Ray S. // American Telephone & Telegraph | ||||
| PDF File 1498592.pdf | 1.04 MB | Shaun Ewing | Jun 24, 1924 00:00 |
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US-1498592-A // Telephone system // Toomey John F. ; Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498592-A // Telephone system // Toomey John F. ; Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1498568.pdf | 896 kB | Shaun Ewing | Jun 24, 1924 00:00 |
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US-1498568-A // Equalization of carrier transmissions // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498568-A // Equalization of carrier transmissions // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1497714.pdf | 262 kB | Shaun Ewing | Jun 17, 1924 00:00 |
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US-1497714-A // Secret-communication system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Jun 17, 1924 00:00 | US-1497714-A // Secret-communication system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1496848.pdf | 522 kB | Shaun Ewing | Jun 10, 1924 00:00 |
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US-1496848-A // Selective-signaling system // Holden William H.t. // American Telephone & Telegraph | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Jun 10, 1924 00:00 | US-1496848-A // Selective-signaling system // Holden William H.t. // American Telephone & Telegraph | ||||
| PDF File 1496847.pdf | 653 kB | Shaun Ewing | Jun 10, 1924 00:00 |
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US-1496847-A // Telephone-exchange system // Hoffmann Henry L. // American Telephone & Telegraph | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Jun 10, 1924 00:00 | US-1496847-A // Telephone-exchange system // Hoffmann Henry L. // American Telephone & Telegraph | ||||
| PDF File 1496014.pdf | 449 kB | Shaun Ewing | Jun 03, 1924 00:00 |
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US-1496014-A // Multichannel circuits // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Jun 03, 1924 00:00 | US-1496014-A // Multichannel circuits // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1495226.pdf | 272 kB | Shaun Ewing | May 27, 1924 00:00 |
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US-1495226-A // Detecting circuits // Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 272 kB | Shaun Ewing | May 27, 1924 00:00 | US-1495226-A // Detecting circuits // Hamilton Baxter P. // American Telephone & Telegraph |