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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2070678.pdf | 492 kB | Shaun Ewing | Feb 16, 1937 00:00 |
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US-2070678-A // Coaxial conductor system // Odarenko Todos M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Feb 16, 1937 00:00 | US-2070678-A // Coaxial conductor system // Odarenko Todos M. // Bell Telephone Labor Inc | ||||
| PDF File 2200059.pdf | 492 kB | Shaun Ewing | May 07, 1940 00:00 |
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US-2200059-A // Electrical terminal // Coyne Howard L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 492 kB | Shaun Ewing | May 07, 1940 00:00 | US-2200059-A // Electrical terminal // Coyne Howard L. // Bell Telephone Labor Inc | ||||
| PDF File 2175366.pdf | 492 kB | Shaun Ewing | Oct 10, 1939 00:00 |
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US-2175366-A // Communication system // Shetzline Roy A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Oct 10, 1939 00:00 | US-2175366-A // Communication system // Shetzline Roy A. // Bell Telephone Labor Inc | ||||
| PDF File 2088309.pdf | 491 kB | Shaun Ewing | Jul 27, 1937 00:00 |
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US-2088309-A // Coin collector apparatus // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Jul 27, 1937 00:00 | US-2088309-A // Coin collector apparatus // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2100404.pdf | 491 kB | Shaun Ewing | Nov 30, 1937 00:00 |
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US-2100404-A // Fluid transmission // Mason Warren P. ; Stanton George T. ; Tweeddale John E. // Bell Telephone Labor Inc ; Electrical Res Prod Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Nov 30, 1937 00:00 | US-2100404-A // Fluid transmission // Mason Warren P. ; Stanton George T. ; Tweeddale John E. // Bell Telephone Labor Inc ; Electrical Res Prod Inc | ||||
| PDF File 1955812.pdf | 491 kB | Shaun Ewing | Apr 24, 1934 00:00 |
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US-1955812-A // Electric meter // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Apr 24, 1934 00:00 | US-1955812-A // Electric meter // Keller Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2201983.pdf | 491 kB | Shaun Ewing | May 28, 1940 00:00 |
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US-2201983-A // Power supply circuit // Bollman John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | May 28, 1940 00:00 | US-2201983-A // Power supply circuit // Bollman John H. // Bell Telephone Labor Inc | ||||
| PDF File 1847086.pdf | 491 kB | Shaun Ewing | Mar 01, 1932 00:00 |
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US-1847086-A // Fluid operated switch // Gargan John O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Mar 01, 1932 00:00 | US-1847086-A // Fluid operated switch // Gargan John O. // Bell Telephone Labor Inc | ||||
| PDF File 2140930.pdf | 491 kB | Shaun Ewing | Dec 20, 1938 00:00 |
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US-2140930-A // Telephone system // Welch Paul V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Dec 20, 1938 00:00 | US-2140930-A // Telephone system // Welch Paul V. // Bell Telephone Labor Inc | ||||
| PDF File 1930275.pdf | 491 kB | Shaun Ewing | Oct 10, 1933 00:00 |
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US-1930275-A // Telephone switchboard // Knowlton Alfred D. ; Gilmore Alfred C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1930275-A // Telephone switchboard // Knowlton Alfred D. ; Gilmore Alfred C. // Bell Telephone Labor Inc | ||||
| PDF File 1943115.pdf | 491 kB | Shaun Ewing | Jan 09, 1934 00:00 |
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US-1943115-A // Electrical insulation for magnetic bodies // Ellis William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Jan 09, 1934 00:00 | US-1943115-A // Electrical insulation for magnetic bodies // Ellis William C. // Bell Telephone Labor Inc | ||||
| PDF File 2186127.pdf | 490 kB | Shaun Ewing | Jan 09, 1940 00:00 |
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US-2186127-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Jan 09, 1940 00:00 | US-2186127-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 1970933.pdf | 490 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970933-A // Wave transmission network // Frederick Carl L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970933-A // Wave transmission network // Frederick Carl L. // Bell Telephone Labor Inc | ||||
| PDF File 2178954.pdf | 490 kB | Shaun Ewing | Nov 07, 1939 00:00 |
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US-2178954-A // Method and apparatus for testing electrical resistance // Dehmel Richard C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Nov 07, 1939 00:00 | US-2178954-A // Method and apparatus for testing electrical resistance // Dehmel Richard C. // Bell Telephone Labor Inc | ||||
| PDF File 1840376.pdf | 490 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1840376-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1840376-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 1984037.pdf | 490 kB | Shaun Ewing | Dec 11, 1934 00:00 |
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US-1984037-A // Coin receptacle cover // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Dec 11, 1934 00:00 | US-1984037-A // Coin receptacle cover // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2183941.pdf | 490 kB | Shaun Ewing | Dec 19, 1939 00:00 |
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US-2183941-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Dec 19, 1939 00:00 | US-2183941-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 1918309.pdf | 489 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918309-A // Glow discharge lamp // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918309-A // Glow discharge lamp // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2117709.pdf | 488 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117709-A // Electron discharge device // Davisson Clinton J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 488 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117709-A // Electron discharge device // Davisson Clinton J. // Bell Telephone Labor Inc | ||||
| PDF File 1915366.pdf | 488 kB | Shaun Ewing | Jun 27, 1933 00:00 |
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US-1915366-A // Telegraph switching system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 488 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915366-A // Telegraph switching system // Kinkead Fullerton S. // Bell Telephone Labor Inc |
