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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2139678.pdf | 899 kB | Shaun Ewing | Dec 13, 1938 00:00 |
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US-2139678-A // Electron discharge device // Glass Myron S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 899 kB | Shaun Ewing | Dec 13, 1938 00:00 | US-2139678-A // Electron discharge device // Glass Myron S. // Bell Telephone Labor Inc | ||||
| PDF File 2028194.pdf | 899 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028194-A // Printing telegraph system // Corwin Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 899 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028194-A // Printing telegraph system // Corwin Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 1865165.pdf | 899 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1865165-A // Transmission control circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 899 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1865165-A // Transmission control circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 1905704.pdf | 897 kB | Shaun Ewing | Apr 25, 1933 00:00 |
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US-1905704-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Apr 25, 1933 00:00 | US-1905704-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2185283.pdf | 896 kB | Shaun Ewing | Jan 02, 1940 00:00 |
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US-2185283-A // Cathode ray discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Jan 02, 1940 00:00 | US-2185283-A // Cathode ray discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2031942.pdf | 895 kB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031942-A // Control circuit // Duguid James M. ; Sole John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 895 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031942-A // Control circuit // Duguid James M. ; Sole John H. // 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 2165517.pdf | 893 kB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165517-A // Oscillation generator // Stevenson George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 893 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165517-A // Oscillation generator // Stevenson George H. // Bell Telephone Labor Inc | ||||
| PDF File 1856714.pdf | 892 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856714-A // Printing telegraph radial switching system // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 892 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856714-A // Printing telegraph radial switching system // Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 1919046.pdf | 891 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919046-A // Selective calling circuits // Scriven Edward O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 891 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919046-A // Selective calling circuits // Scriven Edward O. // Bell Telephone Labor Inc | ||||
| PDF File 2128420.pdf | 891 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128420-A // Piezoelectric crystal mounting // Laskey William G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 891 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128420-A // Piezoelectric crystal mounting // Laskey William G. // Bell Telephone Labor Inc | ||||
| PDF File 2226258.pdf | 890 kB | Shaun Ewing | Dec 24, 1940 00:00 |
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US-2226258-A // Grid bias modulating system // Reise Herman A. ; Skene Andrew A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 890 kB | Shaun Ewing | Dec 24, 1940 00:00 | US-2226258-A // Grid bias modulating system // Reise Herman A. ; Skene Andrew A. // Bell Telephone Labor Inc | ||||
| PDF File 1795647.pdf | 889 kB | Shaun Ewing | Mar 10, 1931 00:00 |
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US-1795647-A // Method and apparatus for measuring acoustical impedances // Flanders Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 889 kB | Shaun Ewing | Mar 10, 1931 00:00 | US-1795647-A // Method and apparatus for measuring acoustical impedances // Flanders Paul B. // Bell Telephone Labor Inc | ||||
| PDF File 1857819.pdf | 889 kB | Shaun Ewing | May 10, 1932 00:00 |
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US-1857819-A // Radio telephone system // Merriam Francis F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 889 kB | Shaun Ewing | May 10, 1932 00:00 | US-1857819-A // Radio telephone system // Merriam Francis F. // Bell Telephone Labor Inc | ||||
| PDF File 1873283.pdf | 888 kB | Shaun Ewing | Aug 23, 1932 00:00 |
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US-1873283-A // Telegraph repeater // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 888 kB | Shaun Ewing | Aug 23, 1932 00:00 | US-1873283-A // Telegraph repeater // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2147690.pdf | 888 kB | Shaun Ewing | Feb 21, 1939 00:00 |
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US-2147690-A // Telegraph repeater // Cramer Walter W. ; Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 888 kB | Shaun Ewing | Feb 21, 1939 00:00 | US-2147690-A // Telegraph repeater // Cramer Walter W. ; Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2163403.pdf | 887 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163403-A // Stabilized oscillator // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163403-A // Stabilized oscillator // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 1849656.pdf | 887 kB | Shaun Ewing | Mar 15, 1932 00:00 |
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US-1849656-A // Transmission network // Bennett William R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Mar 15, 1932 00:00 | US-1849656-A // Transmission network // Bennett William R. // Bell Telephone Labor Inc | ||||
| PDF File 2045971.pdf | 886 kB | Shaun Ewing | Jun 30, 1936 00:00 |
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US-2045971-A // Switching mechanism // Stockfleth Sigurd J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Jun 30, 1936 00:00 | US-2045971-A // Switching mechanism // Stockfleth Sigurd J. // Bell Telephone Labor Inc | ||||
| PDF File 2155515.pdf | 886 kB | Shaun Ewing | Apr 25, 1939 00:00 |
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US-2155515-A // Regulator system // Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Apr 25, 1939 00:00 | US-2155515-A // Regulator system // Trucksess David E. // Bell Telephone Labor Inc |