Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1969559.pdf | 466 kB | Shaun Ewing | Aug 07, 1934 00:00 |
|
US-1969559-A // Acoustic device // Kelly Joseph B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Aug 07, 1934 00:00 | US-1969559-A // Acoustic device // Kelly Joseph B. // Bell Telephone Labor Inc | ||||
| PDF File 1837202.pdf | 466 kB | Shaun Ewing | Dec 22, 1931 00:00 |
|
US-1837202-A // Circuit breaker // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837202-A // Circuit breaker // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2003401.pdf | 465 kB | Shaun Ewing | Jun 04, 1935 00:00 |
|
US-2003401-A // Inspection device // Terry Roy V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Jun 04, 1935 00:00 | US-2003401-A // Inspection device // Terry Roy V. // Bell Telephone Labor Inc | ||||
| PDF File 2039668.pdf | 465 kB | Shaun Ewing | May 05, 1936 00:00 |
|
US-2039668-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | May 05, 1936 00:00 | US-2039668-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 2189944.pdf | 465 kB | Shaun Ewing | Feb 13, 1940 00:00 |
|
US-2189944-A // Telephone call transmitter // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Feb 13, 1940 00:00 | US-2189944-A // Telephone call transmitter // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 2208206.pdf | 465 kB | Shaun Ewing | Jul 16, 1940 00:00 |
|
US-2208206-A // Intelligence transmitting circuit // Jr. Robert Black, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208206-A // Intelligence transmitting circuit // Jr. Robert Black, // Bell Telephone Labor Inc | ||||
| PDF File 2118258.pdf | 465 kB | Shaun Ewing | May 24, 1938 00:00 |
|
US-2118258-A // Relay mechanism // Magrath Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | May 24, 1938 00:00 | US-2118258-A // Relay mechanism // Magrath Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2014228.pdf | 465 kB | Shaun Ewing | Sept 10, 1935 00:00 |
|
US-2014228-A // Variable attenuator // Coutouly Gustave C. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Sept 10, 1935 00:00 | US-2014228-A // Variable attenuator // Coutouly Gustave C. De // Bell Telephone Labor Inc | ||||
| PDF File 1922654.pdf | 464 kB | Shaun Ewing | Aug 15, 1933 00:00 |
|
US-1922654-A // Modulating device // Bair Ralph S. ; Bishop John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Aug 15, 1933 00:00 | US-1922654-A // Modulating device // Bair Ralph S. ; Bishop John B. // Bell Telephone Labor Inc | ||||
| PDF File 2064280.pdf | 464 kB | Shaun Ewing | Dec 15, 1936 00:00 |
|
US-2064280-A // Coin collecting apparatus // Wheeler Clyde H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Dec 15, 1936 00:00 | US-2064280-A // Coin collecting apparatus // Wheeler Clyde H. // Bell Telephone Labor Inc | ||||
| PDF File 1823323.pdf | 464 kB | Shaun Ewing | Sept 15, 1931 00:00 |
|
US-1823323-A // Desk telephone set // Hopkins Irving L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Sept 15, 1931 00:00 | US-1823323-A // Desk telephone set // Hopkins Irving L. // Bell Telephone Labor Inc | ||||
| PDF File 1951899.pdf | 463 kB | Shaun Ewing | Mar 20, 1934 00:00 |
|
US-1951899-A // Geometrical instrument // Budenbom Horace T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Mar 20, 1934 00:00 | US-1951899-A // Geometrical instrument // Budenbom Horace T. // Bell Telephone Labor Inc | ||||
| PDF File 2097488.pdf | 463 kB | Shaun Ewing | Nov 02, 1937 00:00 |
|
US-2097488-A // Piezoelectric device // Kinsley Thomas G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Nov 02, 1937 00:00 | US-2097488-A // Piezoelectric device // Kinsley Thomas G. // Bell Telephone Labor Inc | ||||
| PDF File 2138613.pdf | 463 kB | Shaun Ewing | Nov 29, 1938 00:00 |
|
US-2138613-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Nov 29, 1938 00:00 | US-2138613-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 1958612.pdf | 463 kB | Shaun Ewing | May 15, 1934 00:00 |
|
US-1958612-A // Photographic process // Dawson Wilfrid L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | May 15, 1934 00:00 | US-1958612-A // Photographic process // Dawson Wilfrid L. // Bell Telephone Labor Inc | ||||
| PDF File 2070677.pdf | 463 kB | Shaun Ewing | Feb 16, 1937 00:00 |
|
US-2070677-A // Transmission network // Norton Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Feb 16, 1937 00:00 | US-2070677-A // Transmission network // Norton Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 2058256.pdf | 463 kB | Shaun Ewing | Oct 20, 1936 00:00 |
|
US-2058256-A // Gas pressure alarm contactor // Pike Vernon B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Oct 20, 1936 00:00 | US-2058256-A // Gas pressure alarm contactor // Pike Vernon B. // Bell Telephone Labor Inc | ||||
| PDF File 1936194.pdf | 463 kB | Shaun Ewing | Nov 21, 1933 00:00 |
|
US-1936194-A // Gas pressure alarm contactor // Henneberger Thomas C. ; Pike Vernon B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Nov 21, 1933 00:00 | US-1936194-A // Gas pressure alarm contactor // Henneberger Thomas C. ; Pike Vernon B. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1857201.pdf | 462 kB | Shaun Ewing | May 10, 1932 00:00 |
|
US-1857201-A // Process for insulating magnetic bodies // Lathrop Hubbel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 462 kB | Shaun Ewing | May 10, 1932 00:00 | US-1857201-A // Process for insulating magnetic bodies // Lathrop Hubbel // Bell Telephone Labor Inc | ||||
| PDF File 2058216.pdf | 462 kB | Shaun Ewing | Oct 20, 1936 00:00 |
|
US-2058216-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Oct 20, 1936 00:00 | US-2058216-A // Signaling system // Dimond Thomas L. // Bell Telephone Labor Inc |
