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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1935325.pdf | 826 kB | Shaun Ewing | Nov 14, 1933 00:00 |
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US-1935325-A // Frequency standard // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 826 kB | Shaun Ewing | Nov 14, 1933 00:00 | US-1935325-A // Frequency standard // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2219751.pdf | 825 kB | Shaun Ewing | Oct 29, 1940 00:00 |
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US-2219751-A // Single side band diversity radio receiving system // Polkinghorn Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 825 kB | Shaun Ewing | Oct 29, 1940 00:00 | US-2219751-A // Single side band diversity radio receiving system // Polkinghorn Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2169389.pdf | 825 kB | Shaun Ewing | Aug 15, 1939 00:00 |
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US-2169389-A // Selector release circuit // Keckler Charles W. ; Raynsford Arthur // Bell Telephone Labor Inc | |||
| Version 1 (current) | 825 kB | Shaun Ewing | Aug 15, 1939 00:00 | US-2169389-A // Selector release circuit // Keckler Charles W. ; Raynsford Arthur // Bell Telephone Labor Inc | ||||
| PDF File 2159596.pdf | 825 kB | Shaun Ewing | May 23, 1939 00:00 |
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US-2159596-A // Frequency conversion circuits // Miller Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 825 kB | Shaun Ewing | May 23, 1939 00:00 | US-2159596-A // Frequency conversion circuits // Miller Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 1880889.pdf | 824 kB | Shaun Ewing | Oct 04, 1932 00:00 |
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US-1880889-A // Signal transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 824 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880889-A // Signal transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 2126932.pdf | 824 kB | Shaun Ewing | Aug 16, 1938 00:00 |
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US-2126932-A // Testing device // Spyut Albert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 824 kB | Shaun Ewing | Aug 16, 1938 00:00 | US-2126932-A // Testing device // Spyut Albert B. // Bell Telephone Labor Inc | ||||
| PDF File 2060229.pdf | 824 kB | Shaun Ewing | Nov 10, 1936 00:00 |
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US-2060229-A // Signaling system // Low Frank K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 824 kB | Shaun Ewing | Nov 10, 1936 00:00 | US-2060229-A // Signaling system // Low Frank K. // Bell Telephone Labor Inc | ||||
| PDF File 2036079.pdf | 823 kB | Shaun Ewing | Mar 31, 1936 00:00 |
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US-2036079-A // Circuit for voice frequency ringing and for voice frequency current // Pullis George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 823 kB | Shaun Ewing | Mar 31, 1936 00:00 | US-2036079-A // Circuit for voice frequency ringing and for voice frequency current // Pullis George A. // Bell Telephone Labor Inc | ||||
| PDF File 2196680.pdf | 823 kB | Shaun Ewing | Apr 09, 1940 00:00 |
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US-2196680-A // Regulated rectifier circuit // Milarta Louis E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 823 kB | Shaun Ewing | Apr 09, 1940 00:00 | US-2196680-A // Regulated rectifier circuit // Milarta Louis E. // Bell Telephone Labor Inc | ||||
| PDF File 2033271.pdf | 822 kB | Shaun Ewing | Mar 10, 1936 00:00 |
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US-2033271-A // Common frequency broadcasting system // Aiken Charles B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 822 kB | Shaun Ewing | Mar 10, 1936 00:00 | US-2033271-A // Common frequency broadcasting system // Aiken Charles B. // Bell Telephone Labor Inc | ||||
| PDF File 2017645.pdf | 822 kB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017645-A // Volume control system // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 822 kB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017645-A // Volume control system // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2200063.pdf | 819 kB | Shaun Ewing | May 07, 1940 00:00 |
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US-2200063-A // Space discharge apparatus and circuits // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 819 kB | Shaun Ewing | May 07, 1940 00:00 | US-2200063-A // Space discharge apparatus and circuits // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 1811858.pdf | 819 kB | Shaun Ewing | Jun 30, 1931 00:00 |
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US-1811858-A // Control system for transmission of signals // Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 819 kB | Shaun Ewing | Jun 30, 1931 00:00 | US-1811858-A // Control system for transmission of signals // Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 1914103.pdf | 818 kB | Shaun Ewing | Jun 13, 1933 00:00 |
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US-1914103-A // Signaling system // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 818 kB | Shaun Ewing | Jun 13, 1933 00:00 | US-1914103-A // Signaling system // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2190667.pdf | 818 kB | Shaun Ewing | Feb 20, 1940 00:00 |
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US-2190667-A // Permanent magnet alloy // Kelsall George A. ; Nesbitt Ethan A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 818 kB | Shaun Ewing | Feb 20, 1940 00:00 | US-2190667-A // Permanent magnet alloy // Kelsall George A. ; Nesbitt Ethan A. // Bell Telephone Labor Inc | ||||
| PDF File 1952592.pdf | 818 kB | Shaun Ewing | Mar 27, 1934 00:00 |
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US-1952592-A // Electrooptical system // Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 818 kB | Shaun Ewing | Mar 27, 1934 00:00 | US-1952592-A // Electrooptical system // Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 1823088.pdf | 818 kB | Shaun Ewing | Sept 15, 1931 00:00 |
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US-1823088-A // Submarine cable repeating system // Clokey Allison A. ; Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 818 kB | Shaun Ewing | Sept 15, 1931 00:00 | US-1823088-A // Submarine cable repeating system // Clokey Allison A. ; Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2107168.pdf | 817 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2107168-A // Carrier communicating system // Tidd Warren H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 817 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107168-A // Carrier communicating system // Tidd Warren H. // Bell Telephone Labor Inc | ||||
| PDF File 2155508.pdf | 816 kB | Shaun Ewing | Apr 25, 1939 00:00 |
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US-2155508-A // Wave guide impedance element and network // Schelkunoff Sergel A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 816 kB | Shaun Ewing | Apr 25, 1939 00:00 | US-2155508-A // Wave guide impedance element and network // Schelkunoff Sergel A. // Bell Telephone Labor Inc | ||||
| PDF File 2126915.pdf | 816 kB | Shaun Ewing | Aug 16, 1938 00:00 |
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US-2126915-A // Wave transmission network // Norton Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 816 kB | Shaun Ewing | Aug 16, 1938 00:00 | US-2126915-A // Wave transmission network // Norton Edward L. // Bell Telephone Labor Inc |
