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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 930547.pdf | 1.07 MB | Shaun Ewing | Aug 10, 1909 00:00 |
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US-930547-A // Apparatus and system for measuring telephone service. // David S. Hulfish // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Aug 10, 1909 00:00 | US-930547-A // Apparatus and system for measuring telephone service. // David S. Hulfish // American Telephone & Telegraph | ||||
| PDF File 927025.pdf | 1.30 MB | Shaun Ewing | Jul 06, 1909 00:00 |
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US-927025-A // Call-distributing telephone-exchange system. // Sidney Hand Browne // American Telephone & Telegraph | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jul 06, 1909 00:00 | US-927025-A // Call-distributing telephone-exchange system. // Sidney Hand Browne // American Telephone & Telegraph | ||||
| PDF File 926994.pdf | 1.09 MB | Shaun Ewing | Jul 06, 1909 00:00 |
|
US-926994-A // Telephone-connecting apparatus. // Edward C. Molina // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Jul 06, 1909 00:00 | US-926994-A // Telephone-connecting apparatus. // Edward C. Molina // American Telephone & Telegraph | ||||
| PDF File 920938.pdf | 198 kB | Shaun Ewing | May 11, 1909 00:00 |
|
US-920938-A // Concentrating device for telephone-transmitters. // Oscar F. Falk // American Telephone & Telegraph | |||
| Version 1 (current) | 198 kB | Shaun Ewing | May 11, 1909 00:00 | US-920938-A // Concentrating device for telephone-transmitters. // Oscar F. Falk // American Telephone & Telegraph | ||||
| PDF File 920259.pdf | 818 kB | Shaun Ewing | May 04, 1909 00:00 |
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US-920259-A // Call-distributing telephone-exchange system. // Sidney Hand Browne // American Telephone & Telegraph | |||
| Version 1 (current) | 818 kB | Shaun Ewing | May 04, 1909 00:00 | US-920259-A // Call-distributing telephone-exchange system. // Sidney Hand Browne // American Telephone & Telegraph | ||||
| PDF File 920258.pdf | 1.63 MB | Shaun Ewing | May 04, 1909 00:00 |
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US-920258-A // System for telephone-trunking. // Sidney Hand Browne // American Telephone & Telegraph | |||
| Version 1 (current) | 1.63 MB | Shaun Ewing | May 04, 1909 00:00 | US-920258-A // System for telephone-trunking. // Sidney Hand Browne // American Telephone & Telegraph | ||||
| PDF File 913613.pdf | 1.11 MB | Shaun Ewing | Feb 23, 1909 00:00 |
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US-913613-A // Call-distributing telephone-exchange details. // Sidney Hand Browne // American Telephone & Telegraph | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Feb 23, 1909 00:00 | US-913613-A // Call-distributing telephone-exchange details. // Sidney Hand Browne // American Telephone & Telegraph | ||||
| PDF File 912908.pdf | 457 kB | Shaun Ewing | Feb 16, 1909 00:00 |
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US-912908-A // Telephone repeating apparatus and circuit. // John J. Skidmore // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Feb 16, 1909 00:00 | US-912908-A // Telephone repeating apparatus and circuit. // John J. Skidmore // American Telephone & Telegraph | ||||
| PDF File 907062.pdf | 340 kB | Shaun Ewing | Dec 15, 1908 00:00 |
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US-907062-A // Telephone-drop. // Tiodolf Lidberg // Swedish American Telephone Company | |||
| Version 1 (current) | 340 kB | Shaun Ewing | Dec 15, 1908 00:00 | US-907062-A // Telephone-drop. // Tiodolf Lidberg // Swedish American Telephone Company | ||||
| PDF File 905628.pdf | 710 kB | Shaun Ewing | Dec 01, 1908 00:00 |
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US-905628-A // Telegraphic repeating apparatus. // William E. Athearn // American Telephone & Telegraph | |||
| Version 1 (current) | 710 kB | Shaun Ewing | Dec 01, 1908 00:00 | US-905628-A // Telegraphic repeating apparatus. // William E. Athearn // American Telephone & Telegraph | ||||
| PDF File 898073.pdf | 319 kB | Shaun Ewing | Sept 08, 1908 00:00 |
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US-898073-A // Apparatus for speech transmission. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Sept 08, 1908 00:00 | US-898073-A // Apparatus for speech transmission. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 897028.pdf | 632 kB | Shaun Ewing | Aug 25, 1908 00:00 |
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US-897028-A // Circuit system for telephone repeating apparatus. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Aug 25, 1908 00:00 | US-897028-A // Circuit system for telephone repeating apparatus. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 896300.pdf | 266 kB | Shaun Ewing | Aug 18, 1908 00:00 |
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US-896300-A // Electrical testing instrument. // Cameron De Witt Jarvis // American Telephone & Telegraph | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Aug 18, 1908 00:00 | US-896300-A // Electrical testing instrument. // Cameron De Witt Jarvis // American Telephone & Telegraph | ||||
| PDF File 893414.pdf | 959 kB | Shaun Ewing | Jul 14, 1908 00:00 |
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US-893414-A // Telephone switching and signaling apparatus. // James G. Wray ; Herbert T. Gardner ; William G. Kinton // American Telephone & Telegraph | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Jul 14, 1908 00:00 | US-893414-A // Telephone switching and signaling apparatus. // James G. Wray ; Herbert T. Gardner ; William G. Kinton // American Telephone & Telegraph | ||||
| PDF File 893319.pdf | 473 kB | Shaun Ewing | Jul 14, 1908 00:00 |
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US-893319-A // Cable raising or separating device. // Andrew G. Gillespie ; William E. Potter // American Telephone & Telegraph | |||
| Version 1 (current) | 473 kB | Shaun Ewing | Jul 14, 1908 00:00 | US-893319-A // Cable raising or separating device. // Andrew G. Gillespie ; William E. Potter // American Telephone & Telegraph | ||||
| PDF File 874826.pdf | 536 kB | Shaun Ewing | Dec 24, 1907 00:00 |
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US-874826-A // Nullifying disturbances in telegraphic or other signaling circuits. // Edward Blakeney ; Robert E. Chetwood, Jr. // American Telephone & Telegraph | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Dec 24, 1907 00:00 | US-874826-A // Nullifying disturbances in telegraphic or other signaling circuits. // Edward Blakeney ; Robert E. Chetwood, Jr. // American Telephone & Telegraph | ||||
| PDF File 863247.pdf | 568 kB | Shaun Ewing | Aug 13, 1907 00:00 |
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US-863247-A // Method of and apparatus for transmitting electrical energy. // Walter C. Yeatman // American Telephone & Telegraph | |||
| Version 1 (current) | 568 kB | Shaun Ewing | Aug 13, 1907 00:00 | US-863247-A // Method of and apparatus for transmitting electrical energy. // Walter C. Yeatman // American Telephone & Telegraph | ||||
| PDF File 863230.pdf | 482 kB | Shaun Ewing | Aug 13, 1907 00:00 |
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US-863230-A // Telephone repeater-circuit. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Aug 13, 1907 00:00 | US-863230-A // Telephone repeater-circuit. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 855395.pdf | 240 kB | Shaun Ewing | May 28, 1907 00:00 |
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US-855395-A // Telephone-transmitter. // Oscar F. Falk // American Telephone & Telegraph | |||
| Version 1 (current) | 240 kB | Shaun Ewing | May 28, 1907 00:00 | US-855395-A // Telephone-transmitter. // Oscar F. Falk // American Telephone & Telegraph | ||||
| PDF File 855394.pdf | 278 kB | Shaun Ewing | May 28, 1907 00:00 |
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US-855394-A // Telephone. // Oscar F. Falk // American Telephone & Telegraph | |||
| Version 1 (current) | 278 kB | Shaun Ewing | May 28, 1907 00:00 | US-855394-A // Telephone. // Oscar F. Falk // American Telephone & Telegraph |
