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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1477528.pdf | 333 kB | Shaun Ewing | Dec 18, 1923 00:00 |
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US-1477528-A // Signaling // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Dec 18, 1923 00:00 | US-1477528-A // Signaling // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1477596.pdf | 323 kB | Shaun Ewing | Dec 18, 1923 00:00 |
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US-1477596-A // Means for supporting aerial cables // Rhodes Frederick L. // American Telephone & Telegraph | |||
| Version 1 (current) | 323 kB | Shaun Ewing | Dec 18, 1923 00:00 | US-1477596-A // Means for supporting aerial cables // Rhodes Frederick L. // American Telephone & Telegraph | ||||
| PDF File 1477609.pdf | 163 kB | Shaun Ewing | Dec 18, 1923 00:00 |
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US-1477609-A // Telephone-receiver attachment // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 163 kB | Shaun Ewing | Dec 18, 1923 00:00 | US-1477609-A // Telephone-receiver attachment // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1478412.pdf | 454 kB | Shaun Ewing | Dec 25, 1923 00:00 |
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US-1478412-A // Telegraph apparatus // Walton Cecil E. // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Dec 25, 1923 00:00 | US-1478412-A // Telegraph apparatus // Walton Cecil E. // American Telephone & Telegraph | ||||
| PDF File 1478419.pdf | 771 kB | Shaun Ewing | Dec 25, 1923 00:00 |
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US-1478419-A // Machine-switching telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Dec 25, 1923 00:00 | US-1478419-A // Machine-switching telephone-exchange system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1478458.pdf | 573 kB | Shaun Ewing | Dec 25, 1923 00:00 |
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US-1478458-A // Network controlling circuits // Smith Don // American Telephone & Telegraph | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Dec 25, 1923 00:00 | US-1478458-A // Network controlling circuits // Smith Don // American Telephone & Telegraph | ||||
| PDF File 1479846.pdf | 548 kB | Shaun Ewing | Jan 08, 1924 00:00 |
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US-1479846-A // Ciphering device // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 548 kB | Shaun Ewing | Jan 08, 1924 00:00 | US-1479846-A // Ciphering device // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1480612.pdf | 508 kB | Shaun Ewing | Jan 15, 1924 00:00 |
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US-1480612-A // Multiplex signaling system // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Jan 15, 1924 00:00 | US-1480612-A // Multiplex signaling system // Hitchcock Harry W. // 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 1481284.pdf | 1.02 MB | Shaun Ewing | Jan 22, 1924 00:00 |
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US-1481284-A // Means for and method of amplitude selection // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jan 22, 1924 00:00 | US-1481284-A // Means for and method of amplitude selection // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1481289.pdf | 303 kB | Shaun Ewing | Jan 22, 1924 00:00 |
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US-1481289-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | |||
| Version 1 (current) | 303 kB | Shaun Ewing | Jan 22, 1924 00:00 | US-1481289-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | ||||
| PDF File 1482557.pdf | 199 kB | Shaun Ewing | Feb 05, 1924 00:00 |
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US-1482557-A // Composite signaling system // Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 199 kB | Shaun Ewing | Feb 05, 1924 00:00 | US-1482557-A // Composite signaling system // Hamilton Baxter P. // American Telephone & Telegraph | ||||
| PDF File 1483133.pdf | 526 kB | Shaun Ewing | Feb 12, 1924 00:00 |
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US-1483133-A // Electrical testing system // Toomey John F. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Feb 12, 1924 00:00 | US-1483133-A // Electrical testing system // Toomey John F. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1483172.pdf | 457 kB | Shaun Ewing | Feb 12, 1924 00:00 |
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US-1483172-A // Signaling system // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Feb 12, 1924 00:00 | US-1483172-A // Signaling system // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1483930.pdf | 300 kB | Shaun Ewing | Feb 19, 1924 00:00 |
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US-1483930-A // Transmission-equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | |||
| Version 1 (current) | 300 kB | Shaun Ewing | Feb 19, 1924 00:00 | US-1483930-A // Transmission-equalization arrangement // Darrow Leo H. // American Telephone & Telegraph | ||||
| PDF File 1483956.pdf | 525 kB | Shaun Ewing | Feb 19, 1924 00:00 |
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US-1483956-A // Telephone system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 525 kB | Shaun Ewing | Feb 19, 1924 00:00 | US-1483956-A // Telephone system // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1484707.pdf | 838 kB | Shaun Ewing | Feb 26, 1924 00:00 |
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US-1484707-A // Relay and circuits therefor // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 838 kB | Shaun Ewing | Feb 26, 1924 00:00 | US-1484707-A // Relay and circuits therefor // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1484988.pdf | 555 kB | Shaun Ewing | Feb 26, 1924 00:00 |
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US-1484988-A // Public-address circuits // Hamilton Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 555 kB | Shaun Ewing | Feb 26, 1924 00:00 | US-1484988-A // Public-address circuits // Hamilton Harold S. // American Telephone & Telegraph | ||||
| PDF File 1485773.pdf | 400 kB | Shaun Ewing | Mar 04, 1924 00:00 |
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US-1485773-A // Radio calling or signaling // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 400 kB | Shaun Ewing | Mar 04, 1924 00:00 | US-1485773-A // Radio calling or signaling // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1488167.pdf | 569 kB | Shaun Ewing | Mar 25, 1924 00:00 |
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US-1488167-A // Signaling system // Ramsdell Roger G. // American Telephone & Telegraph | |||
| Version 1 (current) | 569 kB | Shaun Ewing | Mar 25, 1924 00:00 | US-1488167-A // Signaling system // Ramsdell Roger G. // American Telephone & Telegraph |
