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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1518543.pdf | 571 kB | Shaun Ewing | Dec 09, 1924 00:00 |
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US-1518543-A // Electrical measuring apparatus // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Dec 09, 1924 00:00 | US-1518543-A // Electrical measuring apparatus // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1518495.pdf | 805 kB | Shaun Ewing | Dec 09, 1924 00:00 |
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US-1518495-A // Selective circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 805 kB | Shaun Ewing | Dec 09, 1924 00:00 | US-1518495-A // Selective circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1517315.pdf | 1.70 MB | Shaun Ewing | Dec 02, 1924 00:00 |
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US-1517315-A // Telephone-exchange system // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.70 MB | Shaun Ewing | Dec 02, 1924 00:00 | US-1517315-A // Telephone-exchange system // Rhodes William A. // American Telephone & Telegraph | ||||
| PDF File 1515660.pdf | 442 kB | Shaun Ewing | Nov 18, 1924 00:00 |
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US-1515660-A // Measuring instrument for vacuum tubes // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Nov 18, 1924 00:00 | US-1515660-A // Measuring instrument for vacuum tubes // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1514648.pdf | 566 kB | Shaun Ewing | Nov 11, 1924 00:00 |
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US-1514648-A // Directive radio system // Bown Ralph // American Telephone & Telegraph | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Nov 11, 1924 00:00 | US-1514648-A // Directive radio system // Bown Ralph // American Telephone & Telegraph | ||||
| PDF File 1514645.pdf | 1.25 MB | Shaun Ewing | Nov 11, 1924 00:00 |
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US-1514645-A // Private-branch-exchange circuits // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Nov 11, 1924 00:00 | US-1514645-A // Private-branch-exchange circuits // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1513760.pdf | 457 kB | Shaun Ewing | Nov 04, 1924 00:00 |
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US-1513760-A // Foreign-potential-detecting device // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Nov 04, 1924 00:00 | US-1513760-A // Foreign-potential-detecting device // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1513453.pdf | 278 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513453-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 278 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513453-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1513452.pdf | 611 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513452-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513452-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1513451.pdf | 488 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513451-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 488 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513451-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1513450.pdf | 588 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513450-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 588 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513450-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1513441.pdf | 399 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513441-A // Half-duplex morse carrier system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 399 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513441-A // Half-duplex morse carrier system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1512953.pdf | 380 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1512953-A // Arrangement for protecting electrical contacts // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1512953-A // Arrangement for protecting electrical contacts // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1512930.pdf | 418 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1512930-A // Signaling system // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1512930-A // Signaling system // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1512087.pdf | 240 kB | Shaun Ewing | Oct 21, 1924 00:00 |
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US-1512087-A // Buckle for safety straps // Fish Lewin B. // American Telephone & Telegraph | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Oct 21, 1924 00:00 | US-1512087-A // Buckle for safety straps // Fish Lewin B. // American Telephone & Telegraph | ||||
| PDF File 1512070.pdf | 906 kB | Shaun Ewing | Oct 21, 1924 00:00 |
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US-1512070-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Oct 21, 1924 00:00 | US-1512070-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1511756.pdf | 422 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511756-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 422 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511756-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1511755.pdf | 749 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511755-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511755-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1511629.pdf | 577 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511629-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511629-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1511360.pdf | 393 kB | Shaun Ewing | Oct 14, 1924 00:00 |
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US-1511360-A // Anti-inductive system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511360-A // Anti-inductive system // Osborne Harold S. // American Telephone & Telegraph |
