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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1405501.pdf | 615 kB | Shaun Ewing | Feb 07, 1922 00:00 |
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US-1405501-A // Repeater-network-selecting apparatus // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Feb 07, 1922 00:00 | US-1405501-A // Repeater-network-selecting apparatus // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1616892.pdf | 614 kB | Shaun Ewing | Feb 08, 1927 00:00 |
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US-1616892-A // Duplex radio system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 614 kB | Shaun Ewing | Feb 08, 1927 00:00 | US-1616892-A // Duplex radio system // Espenschied Lloyd ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1610234.pdf | 613 kB | Shaun Ewing | Dec 14, 1926 00:00 |
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US-1610234-A // Carrier-signaling system // Almquist Milton L. // American Telephone & Telegraph | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Dec 14, 1926 00:00 | US-1610234-A // Carrier-signaling system // Almquist Milton L. // American Telephone & Telegraph | ||||
| PDF File 1519573.pdf | 612 kB | Shaun Ewing | Dec 16, 1924 00:00 |
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US-1519573-A // Voice-frequency signaling // Clark Alva B. ; Gannett Danforth K. ; Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 612 kB | Shaun Ewing | Dec 16, 1924 00:00 | US-1519573-A // Voice-frequency signaling // Clark Alva B. ; Gannett Danforth K. ; Nyquist Harry // 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 1686552.pdf | 611 kB | Shaun Ewing | Oct 09, 1928 00:00 |
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US-1686552-A // Stabilization of circuit output // Fairchild Frank E. // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Oct 09, 1928 00:00 | US-1686552-A // Stabilization of circuit output // Fairchild Frank E. // American Telephone & Telegraph | ||||
| PDF File 1621480.pdf | 611 kB | Shaun Ewing | Mar 15, 1927 00:00 |
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US-1621480-A // Testing system // Ewing Claude // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Mar 15, 1927 00:00 | US-1621480-A // Testing system // Ewing Claude // American Telephone & Telegraph | ||||
| PDF File 1590270.pdf | 611 kB | Shaun Ewing | Jun 29, 1926 00:00 |
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US-1590270-A // Method and apparatus for synchronizing in picture-transmission systems // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Jun 29, 1926 00:00 | US-1590270-A // Method and apparatus for synchronizing in picture-transmission systems // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1688453.pdf | 610 kB | Shaun Ewing | Oct 23, 1928 00:00 |
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US-1688453-A // Telephone signaling system // Demarest Charles S. ; Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Oct 23, 1928 00:00 | US-1688453-A // Telephone signaling system // Demarest Charles S. ; Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1559159.pdf | 610 kB | Shaun Ewing | Oct 27, 1925 00:00 |
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US-1559159-A // Telegraph signaling system // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Oct 27, 1925 00:00 | US-1559159-A // Telegraph signaling system // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1664468.pdf | 610 kB | Shaun Ewing | Apr 03, 1928 00:00 |
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US-1664468-A // Program-selecting circuits // Strieby Maurice E. // American Telephone & Telegraph | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Apr 03, 1928 00:00 | US-1664468-A // Program-selecting circuits // Strieby Maurice E. // American Telephone & Telegraph | ||||
| PDF File 1549816.pdf | 609 kB | Shaun Ewing | Aug 18, 1925 00:00 |
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US-1549816-A // Program-transmission over wires // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Aug 18, 1925 00:00 | US-1549816-A // Program-transmission over wires // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1676244.pdf | 609 kB | Shaun Ewing | Jul 10, 1928 00:00 |
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US-1676244-A // Multiple-channel radioreceiver // Blackwell Otto B. ; Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Jul 10, 1928 00:00 | US-1676244-A // Multiple-channel radioreceiver // Blackwell Otto B. ; Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1634734.pdf | 609 kB | Shaun Ewing | Jul 05, 1927 00:00 |
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US-1634734-A // Telephone-exchange system // Blauvelt William G. // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Jul 05, 1927 00:00 | US-1634734-A // Telephone-exchange system // Blauvelt William G. // American Telephone & Telegraph | ||||
| PDF File 1598673.pdf | 609 kB | Shaun Ewing | Sept 07, 1926 00:00 |
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US-1598673-A // Secrecy communication system // Blackwell Otto B. ; Martin De Loss K. ; Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Sept 07, 1926 00:00 | US-1598673-A // Secrecy communication system // Blackwell Otto B. ; Martin De Loss K. ; Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1629491.pdf | 608 kB | Shaun Ewing | May 24, 1927 00:00 |
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US-1629491-A // Program-selecting circuits // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 608 kB | Shaun Ewing | May 24, 1927 00:00 | US-1629491-A // Program-selecting circuits // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1649819.pdf | 607 kB | Shaun Ewing | Nov 22, 1927 00:00 |
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US-1649819-A // System of television // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Nov 22, 1927 00:00 | US-1649819-A // System of television // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1698772.pdf | 607 kB | Shaun Ewing | Jan 15, 1929 00:00 |
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US-1698772-A // Remote-control system // Schramm Fred W. // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Jan 15, 1929 00:00 | US-1698772-A // Remote-control system // Schramm Fred W. // American Telephone & Telegraph | ||||
| PDF File 1746241.pdf | 607 kB | Shaun Ewing | Feb 11, 1930 00:00 |
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US-1746241-A // Transmission-measuring system // Clark Alva B. ; Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1746241-A // Transmission-measuring system // Clark Alva B. ; Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1601037.pdf | 607 kB | Shaun Ewing | Sept 28, 1926 00:00 |
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US-1601037-A // Artificial line // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Sept 28, 1926 00:00 | US-1601037-A // Artificial line // Nyquist Harry // American Telephone & Telegraph |
