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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1870392.pdf | 1010 kB | Shaun Ewing | Aug 09, 1932 00:00 |
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US-1870392-A // Telegraph printer // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1010 kB | Shaun Ewing | Aug 09, 1932 00:00 | US-1870392-A // Telegraph printer // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1870352.pdf | 652 kB | Shaun Ewing | Aug 09, 1932 00:00 |
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US-1870352-A // Telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Aug 09, 1932 00:00 | US-1870352-A // Telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1869515.pdf | 261 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869515-A // Measurement of attenuation and noise // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 261 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869515-A // Measurement of attenuation and noise // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1869459.pdf | 367 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869459-A // Amplifying system // Bostwick Lee Gordon // American Telephone & Telegraph | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869459-A // Amplifying system // Bostwick Lee Gordon // American Telephone & Telegraph | ||||
| PDF File 1869458.pdf | 411 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869458-A // Communication system // Bickelhaupt Carroll O. ; Penuel Cecil E. // American Telephone & Telegraph | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869458-A // Communication system // Bickelhaupt Carroll O. ; Penuel Cecil E. // American Telephone & Telegraph | ||||
| PDF File 1868585.pdf | 676 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1868585-A // Telephone system // Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 676 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1868585-A // Telephone system // Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1868579.pdf | 457 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1868579-A // Broad-band audio-amplifier // Lane Elmer Z. // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1868579-A // Broad-band audio-amplifier // Lane Elmer Z. // American Telephone & Telegraph | ||||
| PDF File 1868559.pdf | 481 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1868559-A // Relay // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1868559-A // Relay // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1867663.pdf | 289 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1867663-A // Arrangement for producing modulated currents // Garber Leslie H. ; Hall Ralph G. ; Blackwood Conover // American Telephone & Telegraph | |||
| Version 1 (current) | 289 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1867663-A // Arrangement for producing modulated currents // Garber Leslie H. ; Hall Ralph G. ; Blackwood Conover // American Telephone & Telegraph | ||||
| PDF File 1867638.pdf | 553 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1867638-A // Telegraph printer // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 553 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1867638-A // Telegraph printer // Weaver Allan // American Telephone & Telegraph | ||||
| PDF File 1866669.pdf | 539 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1866669-A // Impulse transmitter // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 539 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866669-A // Impulse transmitter // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1866631.pdf | 913 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1866631-A // Magneto-optical device // Dorff Louis A. ; Jr. George Sandalls, // American Telephone & Telegraph | |||
| Version 1 (current) | 913 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866631-A // Magneto-optical device // Dorff Louis A. ; Jr. George Sandalls, // American Telephone & Telegraph | ||||
| PDF File 1866611.pdf | 334 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1866611-A // Concentric conducting system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 334 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866611-A // Concentric conducting system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1865600.pdf | 287 kB | Shaun Ewing | Jul 05, 1932 00:00 |
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US-1865600-A // Multiswitch coupling // Welch Paul V. // American Telephone & Telegraph | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Jul 05, 1932 00:00 | US-1865600-A // Multiswitch coupling // Welch Paul V. // American Telephone & Telegraph | ||||
| PDF File 1865593.pdf | 406 kB | Shaun Ewing | Jul 05, 1932 00:00 |
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US-1865593-A // Means for eliminating interference in grounded telegraph systems // Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 406 kB | Shaun Ewing | Jul 05, 1932 00:00 | US-1865593-A // Means for eliminating interference in grounded telegraph systems // Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 1865571.pdf | 400 kB | Shaun Ewing | Jul 05, 1932 00:00 |
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US-1865571-A // Means for eliminating interference in grounded telegraph systems // Kline William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 400 kB | Shaun Ewing | Jul 05, 1932 00:00 | US-1865571-A // Means for eliminating interference in grounded telegraph systems // Kline William H. // American Telephone & Telegraph | ||||
| PDF File 1864676.pdf | 417 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864676-A // Cable reel trailer // Smith Temple C. ; Freeman Albert E. ; Livermore William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864676-A // Cable reel trailer // Smith Temple C. ; Freeman Albert E. ; Livermore William T. // American Telephone & Telegraph | ||||
| PDF File 1864670.pdf | 420 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864670-A // Electrooptical system // Reynolds Frederick W. // American Telephone & Telegraph | |||
| Version 1 (current) | 420 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864670-A // Electrooptical system // Reynolds Frederick W. // American Telephone & Telegraph | ||||
| PDF File 1864646.pdf | 407 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864646-A // Telephone signaling arrangement // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 407 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864646-A // Telephone signaling arrangement // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1864645.pdf | 294 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864645-A // Telephone signaling system // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864645-A // Telephone signaling system // Edwards William H. // American Telephone & Telegraph |
