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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 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 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 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 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 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 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 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 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 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 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 1564201.pdf | 404 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564201-A // Loading system // Carson John R. ; Clark Alva B. ; Mills John // American Telephone & Telegraph | |||
| Version 1 (current) | 404 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564201-A // Loading system // Carson John R. ; Clark Alva B. ; Mills John // American Telephone & Telegraph | ||||
| PDF File 1564203.pdf | 482 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564203-A // Receiver shunt // Clark Alva B. ; Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564203-A // Receiver shunt // Clark Alva B. ; Crisson George // American Telephone & Telegraph | ||||
| PDF File 1564224.pdf | 807 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564224-A // Modulating apparatus for telegraph signals // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 807 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564224-A // Modulating apparatus for telegraph signals // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1564259.pdf | 549 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564259-A // Electrical testing system // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 549 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564259-A // Electrical testing system // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1564266.pdf | 466 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564266-A // Electrical transformer // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564266-A // Electrical transformer // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1565325.pdf | 369 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565325-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 369 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565325-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1565343.pdf | 867 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565343-A // Printing-telegraph-exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 867 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565343-A // Printing-telegraph-exchange system // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1565358.pdf | 117 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565358-A // Alloy for electrical contacts // Gardner Leland A. // American Telephone & Telegraph | |||
| Version 1 (current) | 117 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565358-A // Alloy for electrical contacts // Gardner Leland A. // American Telephone & Telegraph |
