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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1968438.pdf | 518 kB | Shaun Ewing | Jul 31, 1934 00:00 |
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US-1968438-A // Driving mechanism for sound recording and reproducing systems // Elmer Lloyd A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jul 31, 1934 00:00 | US-1968438-A // Driving mechanism for sound recording and reproducing systems // Elmer Lloyd A. // Bell Telephone Labor Inc | ||||
| PDF File 1918972.pdf | 518 kB | Shaun Ewing | Jul 18, 1933 00:00 |
|
US-1918972-A // Phonograph reproducer // King John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918972-A // Phonograph reproducer // King John H. // Bell Telephone Labor Inc | ||||
| PDF File 2184729.pdf | 518 kB | Shaun Ewing | Dec 26, 1939 00:00 |
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US-2184729-A // Antenna system // Bailey Arnold B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184729-A // Antenna system // Bailey Arnold B. // Bell Telephone Labor Inc | ||||
| PDF File 2224673.pdf | 518 kB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224673-A // Amplifying system // Edson James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224673-A // Amplifying system // Edson James O. // Bell Telephone Labor Inc | ||||
| PDF File 2038201.pdf | 518 kB | Shaun Ewing | Apr 21, 1936 00:00 |
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US-2038201-A // Lock // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Apr 21, 1936 00:00 | US-2038201-A // Lock // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2139220.pdf | 518 kB | Shaun Ewing | Dec 06, 1938 00:00 |
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US-2139220-A // Electromechanical wave filter // Blackman Ralph B. ; Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139220-A // Electromechanical wave filter // Blackman Ralph B. ; Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 1965405.pdf | 518 kB | Shaun Ewing | Jul 03, 1934 00:00 |
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US-1965405-A // Acoustic device // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jul 03, 1934 00:00 | US-1965405-A // Acoustic device // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 2041875.pdf | 518 kB | Shaun Ewing | May 26, 1936 00:00 |
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US-2041875-A // Multiple speed motor // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | May 26, 1936 00:00 | US-2041875-A // Multiple speed motor // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2106498.pdf | 517 kB | Shaun Ewing | Jan 25, 1938 00:00 |
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US-2106498-A // Selective signal system // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106498-A // Selective signal system // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 1818070.pdf | 517 kB | Shaun Ewing | Aug 11, 1931 00:00 |
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US-1818070-A // Magnetic body // Lathrop Hubbel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Aug 11, 1931 00:00 | US-1818070-A // Magnetic body // Lathrop Hubbel // Bell Telephone Labor Inc | ||||
| PDF File 1841097.pdf | 516 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841097-A // Heat treatment of conductors // Elmen Gustaf W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841097-A // Heat treatment of conductors // Elmen Gustaf W. // Bell Telephone Labor Inc | ||||
| PDF File 2008283.pdf | 516 kB | Shaun Ewing | Jul 16, 1935 00:00 |
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US-2008283-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Jul 16, 1935 00:00 | US-2008283-A // Telephone substation apparatus // King Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2045450.pdf | 516 kB | Shaun Ewing | Jun 23, 1936 00:00 |
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US-2045450-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Jun 23, 1936 00:00 | US-2045450-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2069224.pdf | 516 kB | Shaun Ewing | Feb 02, 1937 00:00 |
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US-2069224-A // Interconnecting telegraph repeater system // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Feb 02, 1937 00:00 | US-2069224-A // Interconnecting telegraph repeater system // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2077926.pdf | 516 kB | Shaun Ewing | Apr 20, 1937 00:00 |
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US-2077926-A // Sound recording system // Gibson Robert D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Apr 20, 1937 00:00 | US-2077926-A // Sound recording system // Gibson Robert D. // Bell Telephone Labor Inc | ||||
| PDF File 1874238.pdf | 516 kB | Shaun Ewing | Aug 30, 1932 00:00 |
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US-1874238-A // Fuel control mechanism // Callahan Vincent T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Aug 30, 1932 00:00 | US-1874238-A // Fuel control mechanism // Callahan Vincent T. // Bell Telephone Labor Inc | ||||
| PDF File 1921425.pdf | 516 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921425-A // Polar relay circuit // Nebel Charles N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921425-A // Polar relay circuit // Nebel Charles N. // Bell Telephone Labor Inc | ||||
| PDF File 1895757.pdf | 516 kB | Shaun Ewing | Jan 31, 1933 00:00 |
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US-1895757-A // Translating device // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Jan 31, 1933 00:00 | US-1895757-A // Translating device // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 1913438.pdf | 515 kB | Shaun Ewing | Jun 13, 1933 00:00 |
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US-1913438-A // Tuning dial // Flammer Howard A. ; Fracker Edward G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Jun 13, 1933 00:00 | US-1913438-A // Tuning dial // Flammer Howard A. ; Fracker Edward G. // Bell Telephone Labor Inc | ||||
| PDF File 1984538.pdf | 515 kB | Shaun Ewing | Dec 18, 1934 00:00 |
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US-1984538-A // Reeling apparatus // Mougey Wilbur E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Dec 18, 1934 00:00 | US-1984538-A // Reeling apparatus // Mougey Wilbur E. // Bell Telephone Labor Inc |
