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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1590263.pdf | 391 kB | Shaun Ewing | Jun 29, 1926 00:00 |
|
US-1590263-A // Amplifier // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 391 kB | Shaun Ewing | Jun 29, 1926 00:00 | US-1590263-A // Amplifier // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1590252.pdf | 251 kB | Shaun Ewing | Jun 29, 1926 00:00 |
|
US-1590252-A // Artificial line // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 251 kB | Shaun Ewing | Jun 29, 1926 00:00 | US-1590252-A // Artificial line // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1589406.pdf | 394 kB | Shaun Ewing | Jun 22, 1926 00:00 |
|
US-1589406-A // Ringing arrangement for carrier circuits // Loynes Owen H. ; Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Jun 22, 1926 00:00 | US-1589406-A // Ringing arrangement for carrier circuits // Loynes Owen H. ; Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1589405.pdf | 466 kB | Shaun Ewing | Jun 22, 1926 00:00 |
|
US-1589405-A // Ringing arrangement for carrier circuits // Loynes Owen H. ; Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Jun 22, 1926 00:00 | US-1589405-A // Ringing arrangement for carrier circuits // Loynes Owen H. ; Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1589395.pdf | 225 kB | Shaun Ewing | Jun 22, 1926 00:00 |
|
US-1589395-A // Telephone repeater // Jacobs Oliver B. // American Telephone & Telegraph | |||
| Version 1 (current) | 225 kB | Shaun Ewing | Jun 22, 1926 00:00 | US-1589395-A // Telephone repeater // Jacobs Oliver B. // American Telephone & Telegraph | ||||
| PDF File 1588566.pdf | 160 kB | Shaun Ewing | Jun 15, 1926 00:00 |
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US-1588566-A // Step for poles // Wismer Einar // American Telephone & Telegraph | |||
| Version 1 (current) | 160 kB | Shaun Ewing | Jun 15, 1926 00:00 | US-1588566-A // Step for poles // Wismer Einar // American Telephone & Telegraph | ||||
| PDF File 1588450.pdf | 348 kB | Shaun Ewing | Jun 15, 1926 00:00 |
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US-1588450-A // Telegraph system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jun 15, 1926 00:00 | US-1588450-A // Telegraph system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1588437.pdf | 1.07 MB | Shaun Ewing | Jun 15, 1926 00:00 |
|
US-1588437-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Jun 15, 1926 00:00 | US-1588437-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1587620.pdf | 1.38 MB | Shaun Ewing | Jun 08, 1926 00:00 |
|
US-1587620-A // Telephone-exchange system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Jun 08, 1926 00:00 | US-1587620-A // Telephone-exchange system // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1587610.pdf | 851 kB | Shaun Ewing | Jun 08, 1926 00:00 |
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US-1587610-A // Telephone-exchange system // Smith Roy H. // American Telephone & Telegraph | |||
| Version 1 (current) | 851 kB | Shaun Ewing | Jun 08, 1926 00:00 | US-1587610-A // Telephone-exchange system // Smith Roy H. // American Telephone & Telegraph | ||||
| PDF File 1587574.pdf | 1.07 MB | Shaun Ewing | Jun 08, 1926 00:00 |
|
US-1587574-A // Doubly-periodic wave filter // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Jun 08, 1926 00:00 | US-1587574-A // Doubly-periodic wave filter // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1587363.pdf | 387 kB | Shaun Ewing | Jun 01, 1926 00:00 |
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US-1587363-A // Attenuation-controlling device // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 387 kB | Shaun Ewing | Jun 01, 1926 00:00 | US-1587363-A // Attenuation-controlling device // Blackwell Otto B. // American Telephone & Telegraph | ||||
| PDF File 1586633.pdf | 350 kB | Shaun Ewing | Jun 01, 1926 00:00 |
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US-1586633-A // Drainage method for four-wire-cable systems // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Jun 01, 1926 00:00 | US-1586633-A // Drainage method for four-wire-cable systems // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1586587.pdf | 1.37 MB | Shaun Ewing | Jun 01, 1926 00:00 |
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US-1586587-A // Testing system for testing subscribers' station apparatus // Taplin Carleton V. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Jun 01, 1926 00:00 | US-1586587-A // Testing system for testing subscribers' station apparatus // Taplin Carleton V. // American Telephone & Telegraph | ||||
| PDF File 1585729.pdf | 329 kB | Shaun Ewing | May 25, 1926 00:00 |
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US-1585729-A // Emergency switching mechanism // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585729-A // Emergency switching mechanism // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1585702.pdf | 624 kB | Shaun Ewing | May 25, 1926 00:00 |
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US-1585702-A // Echo suppressor for two-wire systems // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 624 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585702-A // Echo suppressor for two-wire systems // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1585701.pdf | 511 kB | Shaun Ewing | May 25, 1926 00:00 |
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US-1585701-A // Method and means for telephone transmission measurements // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 511 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585701-A // Method and means for telephone transmission measurements // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1584819.pdf | 778 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584819-A // Winch // Smith Temple C. ; Freeman Albert E. ; Simonds George D. // American Telephone & Telegraph | |||
| Version 1 (current) | 778 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584819-A // Winch // Smith Temple C. ; Freeman Albert E. ; Simonds George D. // American Telephone & Telegraph | ||||
| PDF File 1584749.pdf | 688 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584749-A // Ciphering device // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 688 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584749-A // Ciphering device // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1584748.pdf | 224 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584748-A // Circuit controller // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 224 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584748-A // Circuit controller // Toomey John F. // American Telephone & Telegraph |
