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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1556318.pdf | 691 kB | Shaun Ewing | Oct 06, 1925 00:00 |
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US-1556318-A // High-frequency multiplex signaling system // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 691 kB | Shaun Ewing | Oct 06, 1925 00:00 | US-1556318-A // High-frequency multiplex signaling system // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1540849.pdf | 689 kB | Shaun Ewing | Jun 09, 1925 00:00 |
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US-1540849-A // Signal-storing arrangement // Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 689 kB | Shaun Ewing | Jun 09, 1925 00:00 | US-1540849-A // Signal-storing arrangement // Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1584749.pdf | 688 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584749-A // Ciphering device // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 688 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584749-A // Ciphering device // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1714551.pdf | 688 kB | Shaun Ewing | May 28, 1929 00:00 |
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US-1714551-A // Cable-testing arrangement // Edwards Paul G. ; Herrington Harold W. // American Telephone & Telegraph | |||
| Version 1 (current) | 688 kB | Shaun Ewing | May 28, 1929 00:00 | US-1714551-A // Cable-testing arrangement // Edwards Paul G. ; Herrington Harold W. // American Telephone & Telegraph | ||||
| PDF File 1758044.pdf | 687 kB | Shaun Ewing | May 13, 1930 00:00 |
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US-1758044-A // Wave antenna // Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 687 kB | Shaun Ewing | May 13, 1930 00:00 | US-1758044-A // Wave antenna // Hoyt Ray S. // American Telephone & Telegraph | ||||
| PDF File 1672056.pdf | 684 kB | Shaun Ewing | Jun 05, 1928 00:00 |
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US-1672056-A // Translating circuit // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 684 kB | Shaun Ewing | Jun 05, 1928 00:00 | US-1672056-A // Translating circuit // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1724057.pdf | 684 kB | Shaun Ewing | Aug 13, 1929 00:00 |
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US-1724057-A // Radio receiving set // Weaver Allan ; Chase Fay Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 684 kB | Shaun Ewing | Aug 13, 1929 00:00 | US-1724057-A // Radio receiving set // Weaver Allan ; Chase Fay Harold // American Telephone & Telegraph | ||||
| PDF File 1717074.pdf | 683 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717074-A // Telephone-exchange maintenance system // Taplin Carleton V. ; Allen Louis M. ; Bertels Arnold S. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717074-A // Telephone-exchange maintenance system // Taplin Carleton V. ; Allen Louis M. ; Bertels Arnold S. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1780963.pdf | 683 kB | Shaun Ewing | Nov 11, 1930 00:00 |
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US-1780963-A // Radio signaling system // Bailey Austin // American Telephone & Telegraph | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1780963-A // Radio signaling system // Bailey Austin // American Telephone & Telegraph | ||||
| PDF File 1395854.pdf | 682 kB | Shaun Ewing | Nov 01, 1921 00:00 |
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US-1395854-A // Balancing signaling systems // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Nov 01, 1921 00:00 | US-1395854-A // Balancing signaling systems // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1624023.pdf | 682 kB | Shaun Ewing | Apr 12, 1927 00:00 |
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US-1624023-A // Equalization of transmission // Strieby Maurice E. ; Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Apr 12, 1927 00:00 | US-1624023-A // Equalization of transmission // Strieby Maurice E. ; Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1678685.pdf | 681 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678685-A // Telephone signal system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678685-A // Telephone signal system // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1459003.pdf | 680 kB | Shaun Ewing | Jun 19, 1923 00:00 |
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US-1459003-A // Means for equalizing transmission over lines of different electrical characteristics // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 680 kB | Shaun Ewing | Jun 19, 1923 00:00 | US-1459003-A // Means for equalizing transmission over lines of different electrical characteristics // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1651440.pdf | 680 kB | Shaun Ewing | Dec 06, 1927 00:00 |
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US-1651440-A // Electrical testing apparatus // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 680 kB | Shaun Ewing | Dec 06, 1927 00:00 | US-1651440-A // Electrical testing apparatus // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1613704.pdf | 679 kB | Shaun Ewing | Jan 11, 1927 00:00 |
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US-1613704-A // Telegraph-distortion measuring system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Jan 11, 1927 00:00 | US-1613704-A // Telegraph-distortion measuring system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1453387.pdf | 678 kB | Shaun Ewing | May 01, 1923 00:00 |
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US-1453387-A // System for communicating with moving vehicles // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 678 kB | Shaun Ewing | May 01, 1923 00:00 | US-1453387-A // System for communicating with moving vehicles // Espenschied Lloyd ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1528920.pdf | 677 kB | Shaun Ewing | Mar 10, 1925 00:00 |
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US-1528920-A // Trunking system // Foster Ronald M. // American Telephone & Telegraph | |||
| Version 1 (current) | 677 kB | Shaun Ewing | Mar 10, 1925 00:00 | US-1528920-A // Trunking system // Foster Ronald M. // American Telephone & Telegraph | ||||
| PDF File 1461783.pdf | 677 kB | Shaun Ewing | Jul 17, 1923 00:00 |
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US-1461783-A // Secret-communication system // Parker Ralzemond D. ; Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 677 kB | Shaun Ewing | Jul 17, 1923 00:00 | US-1461783-A // Secret-communication system // Parker Ralzemond D. ; Hamilton Baxter P. // American Telephone & Telegraph | ||||
| PDF File 1565441.pdf | 676 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565441-A // Automatic volume regulation of transmission systems // Hamilton Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 676 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565441-A // Automatic volume regulation of transmission systems // Hamilton Harold S. // American Telephone & Telegraph | ||||
| PDF File 1638952.pdf | 676 kB | Shaun Ewing | Aug 16, 1927 00:00 |
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US-1638952-A // Means for regulating transmission circuits // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 676 kB | Shaun Ewing | Aug 16, 1927 00:00 | US-1638952-A // Means for regulating transmission circuits // Nyquist Harry // American Telephone & Telegraph |
