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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1867340.pdf | 446 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1867340-A // Electrooptical apparatus // Weinhart Howard W. ; Hall Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867340-A // Electrooptical apparatus // Weinhart Howard W. ; Hall Howard // Bell Telephone Labor Inc | ||||
| PDF File 2067520.pdf | 446 kB | Shaun Ewing | Jan 12, 1937 00:00 |
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US-2067520-A // Circuit for oscillographs or the like // Curtis Austen M. ; Wood Ira E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Jan 12, 1937 00:00 | US-2067520-A // Circuit for oscillographs or the like // Curtis Austen M. ; Wood Ira E. // Bell Telephone Labor Inc | ||||
| PDF File 2153641.pdf | 446 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2153641-A // Polarized relay // Pratt Mollie S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2153641-A // Polarized relay // Pratt Mollie S. // Bell Telephone Labor Inc | ||||
| PDF File 2149372.pdf | 445 kB | Shaun Ewing | Mar 07, 1939 00:00 |
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US-2149372-A // Voltage limiter // Vaughan Henry E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Mar 07, 1939 00:00 | US-2149372-A // Voltage limiter // Vaughan Henry E. // Bell Telephone Labor Inc | ||||
| PDF File 2214151.pdf | 445 kB | Shaun Ewing | Sept 10, 1940 00:00 |
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US-2214151-A // Terminal and wire connection // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Sept 10, 1940 00:00 | US-2214151-A // Terminal and wire connection // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 1881460.pdf | 445 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881460-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881460-A // Relay // Fry Jacob R. // Bell Telephone Labor Inc | ||||
| PDF File 2203004.pdf | 445 kB | Shaun Ewing | Jun 04, 1940 00:00 |
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US-2203004-A // Amplifying apparatus // West Julian M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Jun 04, 1940 00:00 | US-2203004-A // Amplifying apparatus // West Julian M. // Bell Telephone Labor Inc | ||||
| PDF File 2194296.pdf | 445 kB | Shaun Ewing | Mar 19, 1940 00:00 |
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US-2194296-A // Selective switching device // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Mar 19, 1940 00:00 | US-2194296-A // Selective switching device // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2200794.pdf | 444 kB | Shaun Ewing | May 14, 1940 00:00 |
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US-2200794-A // Electrical connector // Krantz Hubert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | May 14, 1940 00:00 | US-2200794-A // Electrical connector // Krantz Hubert K. // Bell Telephone Labor Inc | ||||
| PDF File 2115148.pdf | 444 kB | Shaun Ewing | Apr 26, 1938 00:00 |
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US-2115148-A // Sound reproducing system // Pollard Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Apr 26, 1938 00:00 | US-2115148-A // Sound reproducing system // Pollard Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2125316.pdf | 444 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125316-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125316-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1866924.pdf | 444 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1866924-A // Magnetic material // Cioffi Paul P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866924-A // Magnetic material // Cioffi Paul P. // Bell Telephone Labor Inc | ||||
| PDF File 1956715.pdf | 443 kB | Shaun Ewing | May 01, 1934 00:00 |
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US-1956715-A // Correction for changes in line transmission // Green Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | May 01, 1934 00:00 | US-1956715-A // Correction for changes in line transmission // Green Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2088305.pdf | 443 kB | Shaun Ewing | Jul 27, 1937 00:00 |
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US-2088305-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | Jul 27, 1937 00:00 | US-2088305-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2161005.pdf | 443 kB | Shaun Ewing | Jun 06, 1939 00:00 |
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US-2161005-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | Jun 06, 1939 00:00 | US-2161005-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 1964505.pdf | 443 kB | Shaun Ewing | Jun 26, 1934 00:00 |
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US-1964505-A // Electromagnetic relay // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | Jun 26, 1934 00:00 | US-1964505-A // Electromagnetic relay // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2079697.pdf | 443 kB | Shaun Ewing | May 11, 1937 00:00 |
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US-2079697-A // Loading coil case // Ranges John E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | May 11, 1937 00:00 | US-2079697-A // Loading coil case // Ranges John E. // Bell Telephone Labor Inc | ||||
| PDF File 2104463.pdf | 443 kB | Shaun Ewing | Jan 04, 1938 00:00 |
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US-2104463-A // Source of variable high direct potential // Johnson John B. ; Kammerer Fred W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 443 kB | Shaun Ewing | Jan 04, 1938 00:00 | US-2104463-A // Source of variable high direct potential // Johnson John B. ; Kammerer Fred W. // Bell Telephone Labor Inc | ||||
| PDF File 2152764.pdf | 442 kB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2152764-A // Controlling or keying arrangement // King Kenneth L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Apr 04, 1939 00:00 | US-2152764-A // Controlling or keying arrangement // King Kenneth L. // Bell Telephone Labor Inc | ||||
| PDF File 1936145.pdf | 442 kB | Shaun Ewing | Nov 21, 1933 00:00 |
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US-1936145-A // Sound reproducing system // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Nov 21, 1933 00:00 | US-1936145-A // Sound reproducing system // Wente Edward C. // Bell Telephone Labor Inc |
