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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1563599.pdf | 4.06 MB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563599-A // Telephone-exchange system // Walters James N. // American Telephone & Telegraph | |||
| Version 1 (current) | 4.06 MB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563599-A // Telephone-exchange system // Walters James N. // American Telephone & Telegraph | ||||
| PDF File 1563432.pdf | 416 kB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563432-A // Composite ringer for transmission systems // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563432-A // Composite ringer for transmission systems // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1563377.pdf | 634 kB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563377-A // Pulling and transposing mechanism for line wires // Klein Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 634 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563377-A // Pulling and transposing mechanism for line wires // Klein Charles H. // American Telephone & Telegraph | ||||
| PDF File 1563370.pdf | 756 kB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563370-A // Testing set for telephone systems // Jacobsen Emil // American Telephone & Telegraph | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563370-A // Testing set for telephone systems // Jacobsen Emil // American Telephone & Telegraph | ||||
| PDF File 1563326.pdf | 571 kB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563326-A // Secret-communication system // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563326-A // Secret-communication system // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1562528.pdf | 2.02 MB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562528-A // Telephone system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.02 MB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562528-A // Telephone system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1562527.pdf | 2.05 MB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562527-A // Telephone-exchange system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.05 MB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562527-A // Telephone-exchange system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1562526.pdf | 2.12 MB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562526-A // Telephone-exchange system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.12 MB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562526-A // Telephone-exchange system // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1562500.pdf | 240 kB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562500-A // Receiving circuits for low-frequency impulses // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562500-A // Receiving circuits for low-frequency impulses // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1562485.pdf | 898 kB | Shaun Ewing | Nov 24, 1925 00:00 |
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US-1562485-A // Movement and position indicator // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 898 kB | Shaun Ewing | Nov 24, 1925 00:00 | US-1562485-A // Movement and position indicator // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1561532.pdf | 711 kB | Shaun Ewing | Nov 17, 1925 00:00 |
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US-1561532-A // Telegraph system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 711 kB | Shaun Ewing | Nov 17, 1925 00:00 | US-1561532-A // Telegraph system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1561531.pdf | 290 kB | Shaun Ewing | Nov 17, 1925 00:00 |
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US-1561531-A // Telegraph circuits // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 290 kB | Shaun Ewing | Nov 17, 1925 00:00 | US-1561531-A // Telegraph circuits // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1561530.pdf | 261 kB | Shaun Ewing | Nov 17, 1925 00:00 |
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US-1561530-A // Telegraph repeater circuits // Conover Elmer J. // American Telephone & Telegraph | |||
| Version 1 (current) | 261 kB | Shaun Ewing | Nov 17, 1925 00:00 | US-1561530-A // Telegraph repeater circuits // Conover Elmer J. // American Telephone & Telegraph | ||||
| PDF File 1561526.pdf | 1.98 MB | Shaun Ewing | Nov 17, 1925 00:00 |
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US-1561526-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.98 MB | Shaun Ewing | Nov 17, 1925 00:00 | US-1561526-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1561524.pdf | 431 kB | Shaun Ewing | Nov 17, 1925 00:00 |
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US-1561524-A // Telephone testing system // Jr. George Sandalls, // American Telephone & Telegraph | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Nov 17, 1925 00:00 | US-1561524-A // Telephone testing system // Jr. George Sandalls, // American Telephone & Telegraph | ||||
| PDF File 1561345.pdf | 288 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1561345-A // Telephone attachment // Miller Volney T. // American Telephone Advertising | |||
| Version 1 (current) | 288 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1561345-A // Telephone attachment // Miller Volney T. // American Telephone Advertising | ||||
| PDF File 1560610.pdf | 793 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1560610-A // Supervisory circuits // Shoffstall Hugh F. // American Telephone And Telephg | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1560610-A // Supervisory circuits // Shoffstall Hugh F. // American Telephone And Telephg | ||||
| PDF File 1560544.pdf | 424 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1560544-A // Testing circuits for echo suppressors // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1560544-A // Testing circuits for echo suppressors // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1560543.pdf | 674 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1560543-A // Testing circuits for echo suppressors // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 674 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1560543-A // Testing circuits for echo suppressors // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1560540.pdf | 561 kB | Shaun Ewing | Nov 10, 1925 00:00 |
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US-1560540-A // Means for preventing electrical interference // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 561 kB | Shaun Ewing | Nov 10, 1925 00:00 | US-1560540-A // Means for preventing electrical interference // Cory Samuel I. // American Telephone & Telegraph |
