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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1950109.pdf | 226 kB | Shaun Ewing | Mar 06, 1934 00:00 |
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US-1950109-A // Turntable for phonograph records // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1950109-A // Turntable for phonograph records // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1949447.pdf | 294 kB | Shaun Ewing | Mar 06, 1934 00:00 |
|
US-1949447-A // Card holder // Beck William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1949447-A // Card holder // Beck William O. // Bell Telephone Labor Inc | ||||
| PDF File 1948981.pdf | 969 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948981-A // Duplex communication system // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 969 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948981-A // Duplex communication system // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1948977.pdf | 592 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948977-A // Electric wave amplifier // Aiken Charles B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948977-A // Electric wave amplifier // Aiken Charles B. // Bell Telephone Labor Inc | ||||
| PDF File 1948976.pdf | 668 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948976-A // Electric wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948976-A // Electric wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 1948973.pdf | 735 kB | Shaun Ewing | Feb 27, 1934 00:00 |
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US-1948973-A // Wave transmission with narrowed band // Steinberg John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948973-A // Wave transmission with narrowed band // Steinberg John C. // Bell Telephone Labor Inc | ||||
| PDF File 1948969.pdf | 785 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948969-A // Electric switching device // Lane Cuthbert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 785 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948969-A // Electric switching device // Lane Cuthbert C. // Bell Telephone Labor Inc | ||||
| PDF File 1948941.pdf | 433 kB | Shaun Ewing | Feb 27, 1934 00:00 |
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US-1948941-A // Electrooptical system // Olpin Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948941-A // Electrooptical system // Olpin Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 1947256.pdf | 675 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947256-A // Antenna counterpoise system // Friis Harald T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 675 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947256-A // Antenna counterpoise system // Friis Harald T. // Bell Telephone Labor Inc | ||||
| PDF File 1947247.pdf | 826 kB | Shaun Ewing | Feb 13, 1934 00:00 |
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US-1947247-A // High frequency transmission system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 826 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947247-A // High frequency transmission system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 1947209.pdf | 421 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947209-A // Speech amplitude control // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947209-A // Speech amplitude control // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1947182.pdf | 289 kB | Shaun Ewing | Feb 13, 1934 00:00 |
|
US-1947182-A // Constant frequency apparatus // Betts Philander H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 289 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947182-A // Constant frequency apparatus // Betts Philander H. // Bell Telephone Labor Inc | ||||
| PDF File 1947164.pdf | 319 kB | Shaun Ewing | Feb 13, 1934 00:00 |
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US-1947164-A // Phonograph reproducer // Morrison Louis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947164-A // Phonograph reproducer // Morrison Louis A. // Bell Telephone Labor Inc | ||||
| PDF File 1946261.pdf | 276 kB | Shaun Ewing | Feb 06, 1934 00:00 |
|
US-1946261-A // Electromagnetic switching device // Zupa Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 276 kB | Shaun Ewing | Feb 06, 1934 00:00 | US-1946261-A // Electromagnetic switching device // Zupa Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 1946228.pdf | 1.95 MB | Shaun Ewing | Feb 06, 1934 00:00 |
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US-1946228-A // Telephone system // Mckim James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.95 MB | Shaun Ewing | Feb 06, 1934 00:00 | US-1946228-A // Telephone system // Mckim James B. // Bell Telephone Labor Inc | ||||
| PDF File 1946223.pdf | 893 kB | Shaun Ewing | Feb 06, 1934 00:00 |
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US-1946223-A // Translating device // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 893 kB | Shaun Ewing | Feb 06, 1934 00:00 | US-1946223-A // Translating device // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1946216.pdf | 953 kB | Shaun Ewing | Feb 06, 1934 00:00 |
|
US-1946216-A // Teletypewriter selector system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 953 kB | Shaun Ewing | Feb 06, 1934 00:00 | US-1946216-A // Teletypewriter selector system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1945558.pdf | 872 kB | Shaun Ewing | Feb 06, 1934 00:00 |
|
US-1945558-A // Phonograph recording machine // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 872 kB | Shaun Ewing | Feb 06, 1934 00:00 | US-1945558-A // Phonograph recording machine // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 1944244.pdf | 1.39 MB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944244-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944244-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 1944238.pdf | 578 kB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944238-A // Telegraphone // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 578 kB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944238-A // Telegraphone // Hickman Clarence N. // Bell Telephone Labor Inc |
