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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1458988.pdf | 408 kB | Shaun Ewing | Jun 19, 1923 00:00 |
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US-1458988-A // Means for equalizing transmission over lines of different electrical characteristics // Morehouse Lyman F. // American Telephone & Telegraph | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Jun 19, 1923 00:00 | US-1458988-A // Means for equalizing transmission over lines of different electrical characteristics // Morehouse Lyman F. // American Telephone & Telegraph | ||||
| PDF File 1458193.pdf | 471 kB | Shaun Ewing | Jun 12, 1923 00:00 |
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US-1458193-A // Multiple balancing arrangement for multiplex transmission // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Jun 12, 1923 00:00 | US-1458193-A // Multiple balancing arrangement for multiplex transmission // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1457338.pdf | 449 kB | Shaun Ewing | Jun 05, 1923 00:00 |
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US-1457338-A // Selective connection of trunk lines // Barrows Leon D. ; Darrow Leo H. // American Telephone & Telegraph | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Jun 05, 1923 00:00 | US-1457338-A // Selective connection of trunk lines // Barrows Leon D. ; Darrow Leo H. // American Telephone & Telegraph | ||||
| PDF File 1457336.pdf | 623 kB | Shaun Ewing | Jun 05, 1923 00:00 |
|
US-1457336-A // Balancing circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Jun 05, 1923 00:00 | US-1457336-A // Balancing circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1456556.pdf | 385 kB | Shaun Ewing | May 29, 1923 00:00 |
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US-1456556-A // Duplex telegraph system // Hudson Earl A. // American Telephone & Telegraph | |||
| Version 1 (current) | 385 kB | Shaun Ewing | May 29, 1923 00:00 | US-1456556-A // Duplex telegraph system // Hudson Earl A. // American Telephone & Telegraph | ||||
| PDF File 1456549.pdf | 786 kB | Shaun Ewing | May 29, 1923 00:00 |
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US-1456549-A // Composite signaling circuits // Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 786 kB | Shaun Ewing | May 29, 1923 00:00 | US-1456549-A // Composite signaling circuits // Hamilton Baxter P. // American Telephone & Telegraph | ||||
| PDF File 1455843.pdf | 272 kB | Shaun Ewing | May 22, 1923 00:00 |
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US-1455843-A // System for measuring distrotion // Kirkwood Maclean // American Telephone & Telegraph | |||
| Version 1 (current) | 272 kB | Shaun Ewing | May 22, 1923 00:00 | US-1455843-A // System for measuring distrotion // Kirkwood Maclean // American Telephone & Telegraph | ||||
| PDF File 1455827.pdf | 412 kB | Shaun Ewing | May 22, 1923 00:00 |
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US-1455827-A // Selective circuit for multiplex transmission // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 412 kB | Shaun Ewing | May 22, 1923 00:00 | US-1455827-A // Selective circuit for multiplex transmission // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1454895.pdf | 345 kB | Shaun Ewing | May 15, 1923 00:00 |
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US-1454895-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | |||
| Version 1 (current) | 345 kB | Shaun Ewing | May 15, 1923 00:00 | US-1454895-A // Electrolysis mitigation // Jones George G. // American Telephone & Telegraph | ||||
| PDF File 1454840.pdf | 1.09 MB | Shaun Ewing | May 15, 1923 00:00 |
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US-1454840-A // Means for ringing over multiplex transmission channels // Affel Herman A. // American Telephone And Telegrp | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | May 15, 1923 00:00 | US-1454840-A // Means for ringing over multiplex transmission channels // Affel Herman A. // American Telephone And Telegrp | ||||
| PDF File 1454159.pdf | 1022 kB | Shaun Ewing | May 08, 1923 00:00 |
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US-1454159-A // Means for ringing over multiplex transmission channels // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1022 kB | Shaun Ewing | May 08, 1923 00:00 | US-1454159-A // Means for ringing over multiplex transmission channels // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1454158.pdf | 729 kB | Shaun Ewing | May 08, 1923 00:00 |
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US-1454158-A // Means for ringing over multiplex transmission channels // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 729 kB | Shaun Ewing | May 08, 1923 00:00 | US-1454158-A // Means for ringing over multiplex transmission channels // Espenschied Lloyd // 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 | ||||
| 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 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 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 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 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 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 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 |
