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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1835771.pdf | 352 kB | Shaun Ewing | Dec 08, 1931 00:00 |
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US-1835771-A // Submarine signaling cable // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835771-A // Submarine signaling cable // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 2174165.pdf | 352 kB | Shaun Ewing | Sept 26, 1939 00:00 |
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US-2174165-A // Alternating current wave production // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Sept 26, 1939 00:00 | US-2174165-A // Alternating current wave production // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2034866.pdf | 352 kB | Shaun Ewing | Mar 24, 1936 00:00 |
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US-2034866-A // Switching device // Harvey William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034866-A // Switching device // Harvey William H. // Bell Telephone Labor Inc | ||||
| PDF File 1980176.pdf | 352 kB | Shaun Ewing | Nov 13, 1934 00:00 |
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US-1980176-A // Unidirectional current passing device // Becker Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Nov 13, 1934 00:00 | US-1980176-A // Unidirectional current passing device // Becker Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2039655.pdf | 351 kB | Shaun Ewing | May 05, 1936 00:00 |
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US-2039655-A // Method of outgassing and purifying electrically conductive bodies // Mendenhall Hallam E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 351 kB | Shaun Ewing | May 05, 1936 00:00 | US-2039655-A // Method of outgassing and purifying electrically conductive bodies // Mendenhall Hallam E. // Bell Telephone Labor Inc | ||||
| PDF File 1938709.pdf | 351 kB | Shaun Ewing | Dec 12, 1933 00:00 |
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US-1938709-A // Telephone system // Massonneau Robert F. // Bell Telephone Laberatories In | |||
| Version 1 (current) | 351 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1938709-A // Telephone system // Massonneau Robert F. // Bell Telephone Laberatories In | ||||
| PDF File 1840368.pdf | 351 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840368-A // Telephone exchange system // Porter Leslie F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 351 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840368-A // Telephone exchange system // Porter Leslie F. // Bell Telephone Labor Inc | ||||
| PDF File 1854824.pdf | 350 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854824-A // Toroidal coil // Burgess Harry A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854824-A // Toroidal coil // Burgess Harry A. // Bell Telephone Labor Inc | ||||
| PDF File 1976558.pdf | 349 kB | Shaun Ewing | Oct 09, 1934 00:00 |
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US-1976558-A // Device and circuit for frequency translation // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Oct 09, 1934 00:00 | US-1976558-A // Device and circuit for frequency translation // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2195439.pdf | 349 kB | Shaun Ewing | Apr 02, 1940 00:00 |
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US-2195439-A // Testing feedback amplifiers // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Apr 02, 1940 00:00 | US-2195439-A // Testing feedback amplifiers // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2126562.pdf | 349 kB | Shaun Ewing | Aug 09, 1938 00:00 |
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US-2126562-A // Relay // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126562-A // Relay // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2120396.pdf | 349 kB | Shaun Ewing | Jun 14, 1938 00:00 |
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US-2120396-A // Electrical contact member // Domaleski Joseph V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120396-A // Electrical contact member // Domaleski Joseph V. // Bell Telephone Labor Inc | ||||
| PDF File 2138571.pdf | 349 kB | Shaun Ewing | Nov 29, 1938 00:00 |
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US-2138571-A // Insulator // Dehmel Richard C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138571-A // Insulator // Dehmel Richard C. // Bell Telephone Labor Inc | ||||
| PDF File 2030415.pdf | 349 kB | Shaun Ewing | Feb 11, 1936 00:00 |
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US-2030415-A // Telephone system // Vibbard Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Feb 11, 1936 00:00 | US-2030415-A // Telephone system // Vibbard Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 1932435.pdf | 349 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1932435-A // Transmission network // Aiken Charles B. ; Corbin Joseph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932435-A // Transmission network // Aiken Charles B. ; Corbin Joseph E. // Bell Telephone Labor Inc | ||||
| PDF File 2061276.pdf | 349 kB | Shaun Ewing | Nov 17, 1936 00:00 |
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US-2061276-A // Treatment of rubber // Ingmanson John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Nov 17, 1936 00:00 | US-2061276-A // Treatment of rubber // Ingmanson John H. // Bell Telephone Labor Inc | ||||
| PDF File 2085130.pdf | 348 kB | Shaun Ewing | Jun 29, 1937 00:00 |
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US-2085130-A // Acoustic device // Swickard Andrew E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jun 29, 1937 00:00 | US-2085130-A // Acoustic device // Swickard Andrew E. // Bell Telephone Labor Inc | ||||
| PDF File 1934400.pdf | 348 kB | Shaun Ewing | Nov 07, 1933 00:00 |
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US-1934400-A // Frequency control system // Bollman John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Nov 07, 1933 00:00 | US-1934400-A // Frequency control system // Bollman John H. // Bell Telephone Labor Inc | ||||
| PDF File 1813942.pdf | 348 kB | Shaun Ewing | Jul 14, 1931 00:00 |
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US-1813942-A // Frequency indicator // Malles Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1813942-A // Frequency indicator // Malles Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2117843.pdf | 347 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117843-A // Frequency selective circuits // Green Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 347 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117843-A // Frequency selective circuits // Green Charles W. // Bell Telephone Labor Inc |
