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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1445759.pdf | 2.04 MB | Shaun Ewing | Feb 20, 1923 00:00 |
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US-1445759-A // Means for and method of testing multiplex carrier circuits // Jr. John Davidson, // American Telephone & Telegraph | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Feb 20, 1923 00:00 | US-1445759-A // Means for and method of testing multiplex carrier circuits // Jr. John Davidson, // American Telephone & Telegraph | ||||
| PDF File 1446526.pdf | 372 kB | Shaun Ewing | Feb 27, 1923 00:00 |
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US-1446526-A // Ringing regulator // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 372 kB | Shaun Ewing | Feb 27, 1923 00:00 | US-1446526-A // Ringing regulator // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1447204.pdf | 1.81 MB | Shaun Ewing | Mar 06, 1923 00:00 |
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US-1447204-A // Plural modulation and demodulation circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.81 MB | Shaun Ewing | Mar 06, 1923 00:00 | US-1447204-A // Plural modulation and demodulation circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1447773.pdf | 534 kB | Shaun Ewing | Mar 06, 1923 00:00 |
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US-1447773-A // Radio transmission control system // Espenschied Lloyd ; Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Mar 06, 1923 00:00 | US-1447773-A // Radio transmission control system // Espenschied Lloyd ; Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1448116.pdf | 235 kB | Shaun Ewing | Mar 13, 1923 00:00 |
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US-1448116-A // Connector for electrical conductors // Haislip Richard A. ; Matthews Edgar M. // American Telephone & Telegraph | |||
| Version 1 (current) | 235 kB | Shaun Ewing | Mar 13, 1923 00:00 | US-1448116-A // Connector for electrical conductors // Haislip Richard A. ; Matthews Edgar M. // American Telephone & Telegraph | ||||
| PDF File 1448702.pdf | 559 kB | Shaun Ewing | Mar 13, 1923 00:00 |
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US-1448702-A // Translating circuits // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Mar 13, 1923 00:00 | US-1448702-A // Translating circuits // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1449382.pdf | 2.17 MB | Shaun Ewing | Mar 27, 1923 00:00 |
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US-1449382-A // Method and means for signaling with high-frequency waves // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.17 MB | Shaun Ewing | Mar 27, 1923 00:00 | US-1449382-A // Method and means for signaling with high-frequency waves // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1449945.pdf | 206 kB | Shaun Ewing | Mar 27, 1923 00:00 |
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US-1449945-A // Wire grip // Jacobsen Morris // American Telephone & Telegraph | |||
| Version 1 (current) | 206 kB | Shaun Ewing | Mar 27, 1923 00:00 | US-1449945-A // Wire grip // Jacobsen Morris // American Telephone & Telegraph | ||||
| PDF File 1450254.pdf | 501 kB | Shaun Ewing | Apr 03, 1923 00:00 |
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US-1450254-A // Balancing arrangement for multiplex carrier circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Apr 03, 1923 00:00 | US-1450254-A // Balancing arrangement for multiplex carrier circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1450305.pdf | 644 kB | Shaun Ewing | Apr 03, 1923 00:00 |
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US-1450305-A // Telephone signaling system // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 644 kB | Shaun Ewing | Apr 03, 1923 00:00 | US-1450305-A // Telephone signaling system // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1450966.pdf | 409 kB | Shaun Ewing | Apr 10, 1923 00:00 |
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US-1450966-A // Synchronizing system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Apr 10, 1923 00:00 | US-1450966-A // Synchronizing system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1450969.pdf | 250 kB | Shaun Ewing | Apr 10, 1923 00:00 |
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US-1450969-A // Receiving circuits for weak signal currents // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 250 kB | Shaun Ewing | Apr 10, 1923 00:00 | US-1450969-A // Receiving circuits for weak signal currents // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1451746.pdf | 439 kB | Shaun Ewing | Apr 17, 1923 00:00 |
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US-1451746-A // Multiplex selecting circuits // Sultzer Morton // American Telephone & Telegraph | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Apr 17, 1923 00:00 | US-1451746-A // Multiplex selecting circuits // Sultzer Morton // American Telephone & Telegraph | ||||
| PDF File 1451767.pdf | 558 kB | Shaun Ewing | Apr 17, 1923 00:00 |
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US-1451767-A // Composite ringer for multiplex-transmission systems // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Apr 17, 1923 00:00 | US-1451767-A // Composite ringer for multiplex-transmission systems // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1452527.pdf | 931 kB | Shaun Ewing | Apr 24, 1923 00:00 |
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US-1452527-A // Transmitting apparatus for electric telegraphs // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 931 kB | Shaun Ewing | Apr 24, 1923 00:00 | US-1452527-A // Transmitting apparatus for electric telegraphs // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1452548.pdf | 286 kB | Shaun Ewing | Apr 24, 1923 00:00 |
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US-1452548-A // Manhole-platform support // Conlee Carlton N. // American Telephone & Telegraph | |||
| Version 1 (current) | 286 kB | Shaun Ewing | Apr 24, 1923 00:00 | US-1452548-A // Manhole-platform support // Conlee Carlton N. // American Telephone & Telegraph | ||||
| PDF File 1453387.pdf | 678 kB | Shaun Ewing | May 01, 1923 00:00 |
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US-1453387-A // System for communicating with moving vehicles // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 678 kB | Shaun Ewing | May 01, 1923 00:00 | US-1453387-A // System for communicating with moving vehicles // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1453430.pdf | 1.06 MB | Shaun Ewing | May 01, 1923 00:00 |
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US-1453430-A // Voice-operated relay // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | May 01, 1923 00:00 | US-1453430-A // Voice-operated relay // Blackwell Otto B. // American Telephone & Telegraph | ||||
| PDF File 1453980.pdf | 1.18 MB | Shaun Ewing | May 01, 1923 00:00 |
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US-1453980-A // Attenuation equalizer // Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | May 01, 1923 00:00 | US-1453980-A // Attenuation equalizer // Hoyt Ray S. // American Telephone & Telegraph | ||||
| PDF File 1454011.pdf | 845 kB | Shaun Ewing | May 01, 1923 00:00 |
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US-1454011-A // System for attaining uniform attenuation // Blackwell Otto B. // American Telephone & Telegraph | |||
| Version 1 (current) | 845 kB | Shaun Ewing | May 01, 1923 00:00 | US-1454011-A // System for attaining uniform attenuation // Blackwell Otto B. // American Telephone & Telegraph |
