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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2075975.pdf | 772 kB | Shaun Ewing | Apr 06, 1937 00:00 |
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US-2075975-A // Transmission regulation // Brooks Fred A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Apr 06, 1937 00:00 | US-2075975-A // Transmission regulation // Brooks Fred A. // Bell Telephone Labor Inc | ||||
| PDF File 2117705.pdf | 772 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117705-A // Teletypewriter system // Cramer Walter W. ; Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117705-A // Teletypewriter system // Cramer Walter W. ; Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 1970938.pdf | 771 kB | Shaun Ewing | Aug 21, 1934 00:00 |
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US-1970938-A // Telegraph exchange system // Kinkead Fullerton S. ; Knandel George J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Aug 21, 1934 00:00 | US-1970938-A // Telegraph exchange system // Kinkead Fullerton S. ; Knandel George J. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2197122.pdf | 771 kB | Shaun Ewing | Apr 16, 1940 00:00 |
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US-2197122-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Apr 16, 1940 00:00 | US-2197122-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 1931877.pdf | 770 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931877-A // Testing system for space discharge devices // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931877-A // Testing system for space discharge devices // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 1815203.pdf | 770 kB | Shaun Ewing | Jul 21, 1931 00:00 |
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US-1815203-A // Image producing system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Jul 21, 1931 00:00 | US-1815203-A // Image producing system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2165855.pdf | 770 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165855-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165855-A // Telephone system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1970325.pdf | 768 kB | Shaun Ewing | Aug 14, 1934 00:00 |
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US-1970325-A // Reduction of distortion in vacuum tube circuits // Jr. John G. Kreer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 768 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970325-A // Reduction of distortion in vacuum tube circuits // Jr. John G. Kreer, // Bell Telephone Labor Inc | ||||
| PDF File 2047782.pdf | 767 kB | Shaun Ewing | Jul 14, 1936 00:00 |
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US-2047782-A // Electrical measuring system // Jensen Axel G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 767 kB | Shaun Ewing | Jul 14, 1936 00:00 | US-2047782-A // Electrical measuring system // Jensen Axel G. // Bell Telephone Labor Inc | ||||
| PDF File 1851139.pdf | 767 kB | Shaun Ewing | Mar 29, 1932 00:00 |
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US-1851139-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 767 kB | Shaun Ewing | Mar 29, 1932 00:00 | US-1851139-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 2042844.pdf | 767 kB | Shaun Ewing | Jun 02, 1936 00:00 |
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US-2042844-A // Coin receptacle // Harvey William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 767 kB | Shaun Ewing | Jun 02, 1936 00:00 | US-2042844-A // Coin receptacle // Harvey William H. // Bell Telephone Labor Inc | ||||
| PDF File 1919035.pdf | 766 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919035-A // Carrier telegraph interference suppressor // Phelps Walter A. ; Koerner Allan M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 766 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919035-A // Carrier telegraph interference suppressor // Phelps Walter A. ; Koerner Allan M. // Bell Telephone Labor Inc | ||||
| PDF File 1903975.pdf | 765 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1903975-A // Submarine signaling cable // Buckley Oliver E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903975-A // Submarine signaling cable // Buckley Oliver E. // Bell Telephone Labor Inc | ||||
| PDF File 1984065.pdf | 765 kB | Shaun Ewing | Dec 11, 1934 00:00 |
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US-1984065-A // Circuit for controlling transmission in signaling systems // Greenwood Quentin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Dec 11, 1934 00:00 | US-1984065-A // Circuit for controlling transmission in signaling systems // Greenwood Quentin E. // Bell Telephone Labor Inc | ||||
| PDF File 2058898.pdf | 764 kB | Shaun Ewing | Oct 27, 1936 00:00 |
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US-2058898-A // Electrooptical image production // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Oct 27, 1936 00:00 | US-2058898-A // Electrooptical image production // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2023606.pdf | 763 kB | Shaun Ewing | Dec 10, 1935 00:00 |
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US-2023606-A // Automatic disconnect system // Meszar John // Bell Telephone Labor Inc | |||
| Version 1 (current) | 763 kB | Shaun Ewing | Dec 10, 1935 00:00 | US-2023606-A // Automatic disconnect system // Meszar John // Bell Telephone Labor Inc | ||||
| PDF File 2178227.pdf | 763 kB | Shaun Ewing | Oct 31, 1939 00:00 |
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US-2178227-A // Photoelectric tube // Glass Myron S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 763 kB | Shaun Ewing | Oct 31, 1939 00:00 | US-2178227-A // Photoelectric tube // Glass Myron S. // Bell Telephone Labor Inc | ||||
| PDF File 2181865.pdf | 762 kB | Shaun Ewing | Dec 05, 1939 00:00 |
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US-2181865-A // Multigrid tube amplifier // Black Knox C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Dec 05, 1939 00:00 | US-2181865-A // Multigrid tube amplifier // Black Knox C. // Bell Telephone Labor Inc | ||||
| PDF File 1917012.pdf | 762 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1917012-A // Sound translating device // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917012-A // Sound translating device // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 2216937.pdf | 762 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2216937-A // Wave filter // Ciccolella David F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 762 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2216937-A // Wave filter // Ciccolella David F. // Bell Telephone Labor Inc |
