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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2208665.pdf | 515 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208665-A // Amplifier circuits with controlled gain // Crabtree Theodore H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208665-A // Amplifier circuits with controlled gain // Crabtree Theodore H. // Bell Telephone Labor Inc | ||||
| PDF File 1904156.pdf | 515 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904156-A // Pneumatic sound reproducer // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904156-A // Pneumatic sound reproducer // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2035280.pdf | 515 kB | Shaun Ewing | Mar 24, 1936 00:00 |
|
US-2035280-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2035280-A // Coin collector // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 1937143.pdf | 514 kB | Shaun Ewing | Nov 28, 1933 00:00 |
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US-1937143-A // Excess voltage protection circuit // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 514 kB | Shaun Ewing | Nov 28, 1933 00:00 | US-1937143-A // Excess voltage protection circuit // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1809832.pdf | 513 kB | Shaun Ewing | Jun 16, 1931 00:00 |
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US-1809832-A // Synchronous driving system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Jun 16, 1931 00:00 | US-1809832-A // Synchronous driving system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2066514.pdf | 513 kB | Shaun Ewing | Jan 05, 1937 00:00 |
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US-2066514-A // Gain control circuits // Beyer Jesse W. ; Terry Donald M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Jan 05, 1937 00:00 | US-2066514-A // Gain control circuits // Beyer Jesse W. ; Terry Donald M. // Bell Telephone Labor Inc | ||||
| PDF File 2099865.pdf | 513 kB | Shaun Ewing | Nov 23, 1937 00:00 |
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US-2099865-A // Sound picture system // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Nov 23, 1937 00:00 | US-2099865-A // Sound picture system // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 1862582.pdf | 513 kB | Shaun Ewing | Jun 14, 1932 00:00 |
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US-1862582-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Jun 14, 1932 00:00 | US-1862582-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | ||||
| PDF File 2115801.pdf | 512 kB | Shaun Ewing | May 03, 1938 00:00 |
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US-2115801-A // Line overflow recorder // Collis Raymond E. ; Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 512 kB | Shaun Ewing | May 03, 1938 00:00 | US-2115801-A // Line overflow recorder // Collis Raymond E. ; Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 1955801.pdf | 512 kB | Shaun Ewing | Apr 24, 1934 00:00 |
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US-1955801-A // Sound picture projector // Glunt Omer M. ; Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Apr 24, 1934 00:00 | US-1955801-A // Sound picture projector // Glunt Omer M. ; Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2207522.pdf | 512 kB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207522-A // Concentric conductor transmission line // Smith Phillip H. ; Specht Maleolm A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207522-A // Concentric conductor transmission line // Smith Phillip H. ; Specht Maleolm A. // Bell Telephone Labor Inc | ||||
| PDF File 1855600.pdf | 512 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855600-A // Sound translating device // Clarke Harry R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855600-A // Sound translating device // Clarke Harry R. // Bell Telephone Labor Inc | ||||
| PDF File 1837364.pdf | 511 kB | Shaun Ewing | Dec 22, 1931 00:00 |
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US-1837364-A // Signaling apparatus // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 511 kB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837364-A // Signaling apparatus // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2120398.pdf | 510 kB | Shaun Ewing | Jun 14, 1938 00:00 |
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US-2120398-A // Cable stripping tool // Edwards Paul G. ; Jordan Homer G. ; Shackleton Samuel P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120398-A // Cable stripping tool // Edwards Paul G. ; Jordan Homer G. ; Shackleton Samuel P. // Bell Telephone Labor Inc | ||||
| PDF File 2058555.pdf | 510 kB | Shaun Ewing | Oct 27, 1936 00:00 |
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US-2058555-A // Acoustic device // Betts Walter L. ; Jones Edward H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Oct 27, 1936 00:00 | US-2058555-A // Acoustic device // Betts Walter L. ; Jones Edward H. // Bell Telephone Labor Inc | ||||
| PDF File 2006698.pdf | 510 kB | Shaun Ewing | Jul 02, 1935 00:00 |
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US-2006698-A // Electrical measuring system // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Jul 02, 1935 00:00 | US-2006698-A // Electrical measuring system // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1917882.pdf | 509 kB | Shaun Ewing | Jul 11, 1933 00:00 |
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US-1917882-A // Signaling system // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Jul 11, 1933 00:00 | US-1917882-A // Signaling system // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 2205843.pdf | 509 kB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205843-A // Double balanced modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205843-A // Double balanced modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 2096046.pdf | 509 kB | Shaun Ewing | Oct 19, 1937 00:00 |
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US-2096046-A // Support for telephones // Kuhn John J. ; Lum George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096046-A // Support for telephones // Kuhn John J. ; Lum George R. // Bell Telephone Labor Inc | ||||
| PDF File 1918259.pdf | 509 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918259-A // Electrical resistance // Gabriel John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918259-A // Electrical resistance // Gabriel John C. // Bell Telephone Labor Inc |
