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 2225488.pdf | 591 kB | Shaun Ewing | Dec 17, 1940 00:00 |
|
US-2225488-A // Impulse translating apparatus // Stevens Ralph R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 591 kB | Shaun Ewing | Dec 17, 1940 00:00 | US-2225488-A // Impulse translating apparatus // Stevens Ralph R. // Bell Telephone Labor Inc | ||||
| PDF File 2142316.pdf | 590 kB | Shaun Ewing | Jan 03, 1939 00:00 |
|
US-2142316-A // Multiplex multiline carrier system // Huber George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Jan 03, 1939 00:00 | US-2142316-A // Multiplex multiline carrier system // Huber George H. // Bell Telephone Labor Inc | ||||
| PDF File 2218923.pdf | 590 kB | Shaun Ewing | Oct 22, 1940 00:00 |
|
US-2218923-A // Measurement of frequency modulated waves // Newhouse Russell C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Oct 22, 1940 00:00 | US-2218923-A // Measurement of frequency modulated waves // Newhouse Russell C. // Bell Telephone Labor Inc | ||||
| PDF File 2171733.pdf | 590 kB | Shaun Ewing | Sept 05, 1939 00:00 |
|
US-2171733-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Sept 05, 1939 00:00 | US-2171733-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2104434.pdf | 589 kB | Shaun Ewing | Jan 04, 1938 00:00 |
|
US-2104434-A // Connecting block and jack assembly // Mccormick Charles G. ; Sheatsley Paul W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Jan 04, 1938 00:00 | US-2104434-A // Connecting block and jack assembly // Mccormick Charles G. ; Sheatsley Paul W. // Bell Telephone Labor Inc | ||||
| PDF File 1964541.pdf | 589 kB | Shaun Ewing | Jun 26, 1934 00:00 |
|
US-1964541-A // Mounting for electrical devices // Soreny Ernest // Bell Telephone Labor Inc | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Jun 26, 1934 00:00 | US-1964541-A // Mounting for electrical devices // Soreny Ernest // Bell Telephone Labor Inc | ||||
| PDF File 2028190.pdf | 589 kB | Shaun Ewing | Jan 21, 1936 00:00 |
|
US-2028190-A // Impact testing device and method // Burns Robert // Bell Telephone Labor Inc | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028190-A // Impact testing device and method // Burns Robert // Bell Telephone Labor Inc | ||||
| PDF File 2047796.pdf | 588 kB | Shaun Ewing | Jul 14, 1936 00:00 |
|
US-2047796-A // Resistance device // Ogg Robert A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 588 kB | Shaun Ewing | Jul 14, 1936 00:00 | US-2047796-A // Resistance device // Ogg Robert A. // Bell Telephone Labor Inc | ||||
| PDF File 1930278.pdf | 587 kB | Shaun Ewing | Oct 10, 1933 00:00 |
|
US-1930278-A // Oscillation generator // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1930278-A // Oscillation generator // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2104426.pdf | 587 kB | Shaun Ewing | Jan 04, 1938 00:00 |
|
US-2104426-A // Impulse repeater // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Jan 04, 1938 00:00 | US-2104426-A // Impulse repeater // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1906973.pdf | 587 kB | Shaun Ewing | May 02, 1933 00:00 |
|
US-1906973-A // Photographic copying system // Kingsbury Edwin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | May 02, 1933 00:00 | US-1906973-A // Photographic copying system // Kingsbury Edwin F. // Bell Telephone Labor Inc | ||||
| PDF File 1917008.pdf | 587 kB | Shaun Ewing | Jul 04, 1933 00:00 |
|
US-1917008-A // Timing mechanism // Beck William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 587 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1917008-A // Timing mechanism // Beck William O. // Bell Telephone Labor Inc | ||||
| PDF File 2123232.pdf | 586 kB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123232-A // Telegraph signal repeater // Cramer Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123232-A // Telegraph signal repeater // Cramer Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 1952879.pdf | 586 kB | Shaun Ewing | Mar 27, 1934 00:00 |
|
US-1952879-A // Direction finding system // Martin De Loss K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Mar 27, 1934 00:00 | US-1952879-A // Direction finding system // Martin De Loss K. // Bell Telephone Labor Inc | ||||
| PDF File 1938706.pdf | 586 kB | Shaun Ewing | Dec 12, 1933 00:00 |
|
US-1938706-A // Phonograph machine // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1938706-A // Phonograph machine // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2041098.pdf | 585 kB | Shaun Ewing | May 19, 1936 00:00 |
|
US-2041098-A // Wave transmission network // Whittle Horace // Bell Telephone Labor Inc | |||
| Version 1 (current) | 585 kB | Shaun Ewing | May 19, 1936 00:00 | US-2041098-A // Wave transmission network // Whittle Horace // Bell Telephone Labor Inc | ||||
| PDF File 2037162.pdf | 585 kB | Shaun Ewing | Apr 14, 1936 00:00 |
|
US-2037162-A // Camera supporting and controlling device // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 585 kB | Shaun Ewing | Apr 14, 1936 00:00 | US-2037162-A // Camera supporting and controlling device // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2103490.pdf | 584 kB | Shaun Ewing | Dec 28, 1937 00:00 |
|
US-2103490-A // Wave translating circuits // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103490-A // Wave translating circuits // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1955823.pdf | 584 kB | Shaun Ewing | Apr 24, 1934 00:00 |
|
US-1955823-A // Electron discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Apr 24, 1934 00:00 | US-1955823-A // Electron discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc | ||||
| PDF File 2055647.pdf | 583 kB | Shaun Ewing | Sept 29, 1936 00:00 |
|
US-2055647-A // Telephone line system // Bowne Langford J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 583 kB | Shaun Ewing | Sept 29, 1936 00:00 | US-2055647-A // Telephone line system // Bowne Langford J. // Bell Telephone Labor Inc |
