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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1823091.pdf | 686 kB | Shaun Ewing | Sept 15, 1931 00:00 |
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US-1823091-A // Indicating and recording system // Dahl Jack F. ; Davis Richard C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 686 kB | Shaun Ewing | Sept 15, 1931 00:00 | US-1823091-A // Indicating and recording system // Dahl Jack F. ; Davis Richard C. // Bell Telephone Labor Inc | ||||
| PDF File 2183389.pdf | 685 kB | Shaun Ewing | Dec 12, 1939 00:00 |
|
US-2183389-A // Indicating circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183389-A // Indicating circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2116600.pdf | 685 kB | Shaun Ewing | May 10, 1938 00:00 |
|
US-2116600-A // Electrical transmission control // Fisher Joseph R. ; Mallinckrodt Charles O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116600-A // Electrical transmission control // Fisher Joseph R. ; Mallinckrodt Charles O. // Bell Telephone Labor Inc | ||||
| PDF File 2227268.pdf | 685 kB | Shaun Ewing | Dec 31, 1940 00:00 |
|
US-2227268-A // Piezoelectric apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | Dec 31, 1940 00:00 | US-2227268-A // Piezoelectric apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1930270.pdf | 685 kB | Shaun Ewing | Oct 10, 1933 00:00 |
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US-1930270-A // Portable telephone set // Hayward John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1930270-A // Portable telephone set // Hayward John M. // Bell Telephone Labor Inc | ||||
| PDF File 2199824.pdf | 685 kB | Shaun Ewing | May 07, 1940 00:00 |
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US-2199824-A // Signaling system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | May 07, 1940 00:00 | US-2199824-A // Signaling system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1831398.pdf | 684 kB | Shaun Ewing | Nov 10, 1931 00:00 |
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US-1831398-A // Telephone system // Spencer Charles G. ; Hall John A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 684 kB | Shaun Ewing | Nov 10, 1931 00:00 | US-1831398-A // Telephone system // Spencer Charles G. ; Hall John A. // Bell Telephone Labor Inc | ||||
| PDF File 1909375.pdf | 684 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909375-A // Acoustic device // Muller George G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 684 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909375-A // Acoustic device // Muller George G. // Bell Telephone Labor Inc | ||||
| PDF File 1935300.pdf | 683 kB | Shaun Ewing | Nov 14, 1933 00:00 |
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US-1935300-A // Sound reproducing system // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Nov 14, 1933 00:00 | US-1935300-A // Sound reproducing system // Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 1910165.pdf | 683 kB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910165-A // Deep sea cable terminal // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 683 kB | Shaun Ewing | May 23, 1933 00:00 | US-1910165-A // Deep sea cable terminal // Jr. Arthur W. Horton, // Bell Telephone Labor Inc | ||||
| PDF File 2023589.pdf | 682 kB | Shaun Ewing | Dec 10, 1935 00:00 |
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US-2023589-A // Switching mechanism // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Dec 10, 1935 00:00 | US-2023589-A // Switching mechanism // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2183140.pdf | 682 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2183140-A // Cross-talk measuring and correcting apparatus // Hochgraf Lester // Bell Telephone Labor Inc | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2183140-A // Cross-talk measuring and correcting apparatus // Hochgraf Lester // Bell Telephone Labor Inc | ||||
| PDF File 1890904.pdf | 682 kB | Shaun Ewing | Dec 13, 1932 00:00 |
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US-1890904-A // Translating device // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Dec 13, 1932 00:00 | US-1890904-A // Translating device // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2027181.pdf | 682 kB | Shaun Ewing | Jan 07, 1936 00:00 |
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US-2027181-A // Sealing-in machine // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Jan 07, 1936 00:00 | US-2027181-A // Sealing-in machine // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2169553.pdf | 681 kB | Shaun Ewing | Aug 15, 1939 00:00 |
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US-2169553-A // Directive radio system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Aug 15, 1939 00:00 | US-2169553-A // Directive radio system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2181280.pdf | 681 kB | Shaun Ewing | Nov 28, 1939 00:00 |
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US-2181280-A // Electrical wave production // Miller Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Nov 28, 1939 00:00 | US-2181280-A // Electrical wave production // Miller Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 1976521.pdf | 681 kB | Shaun Ewing | Oct 09, 1934 00:00 |
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US-1976521-A // Electron discharge device // Ronci Victor L. ; Clark James E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Oct 09, 1934 00:00 | US-1976521-A // Electron discharge device // Ronci Victor L. ; Clark James E. // Bell Telephone Labor Inc | ||||
| PDF File 1973703.pdf | 679 kB | Shaun Ewing | Sept 18, 1934 00:00 |
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US-1973703-A // Resistance varying material // Goucher Frederick S. ; Christensen Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Sept 18, 1934 00:00 | US-1973703-A // Resistance varying material // Goucher Frederick S. ; Christensen Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 1793491.pdf | 679 kB | Shaun Ewing | Feb 24, 1931 00:00 |
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US-1793491-A // Current-limiting device // Jones Theodore A. ; Phelps Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Feb 24, 1931 00:00 | US-1793491-A // Current-limiting device // Jones Theodore A. ; Phelps Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2153040.pdf | 679 kB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2153040-A // Signal transmission system // Dickieson Alton C. ; Fisher Harold J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 679 kB | Shaun Ewing | Apr 04, 1939 00:00 | US-2153040-A // Signal transmission system // Dickieson Alton C. ; Fisher Harold J. // Bell Telephone Labor Inc |
