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 2137023.pdf | 886 kB | Shaun Ewing | Nov 15, 1938 00:00 |
|
US-2137023-A // Carrier communicating system // Monk Newton // Bell Telephone Labor Inc | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Nov 15, 1938 00:00 | US-2137023-A // Carrier communicating system // Monk Newton // Bell Telephone Labor Inc | ||||
| PDF File 2164033.pdf | 886 kB | Shaun Ewing | Jun 27, 1939 00:00 |
|
US-2164033-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2164033-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 1804688.pdf | 885 kB | Shaun Ewing | May 12, 1931 00:00 |
|
US-1804688-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 885 kB | Shaun Ewing | May 12, 1931 00:00 | US-1804688-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1819649.pdf | 885 kB | Shaun Ewing | Aug 18, 1931 00:00 |
|
US-1819649-A // Wave transmission system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Aug 18, 1931 00:00 | US-1819649-A // Wave transmission system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2115140.pdf | 885 kB | Shaun Ewing | Apr 26, 1938 00:00 |
|
US-2115140-A // Transmission control in signaling systems // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Apr 26, 1938 00:00 | US-2115140-A // Transmission control in signaling systems // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2052338.pdf | 885 kB | Shaun Ewing | Aug 25, 1936 00:00 |
|
US-2052338-A // Filtering circuit // Budenbom Horace T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Aug 25, 1936 00:00 | US-2052338-A // Filtering circuit // Budenbom Horace T. // Bell Telephone Labor Inc | ||||
| PDF File 1881684.pdf | 885 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881684-A // Synchronizing system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881684-A // Synchronizing system // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2170206.pdf | 883 kB | Shaun Ewing | Aug 22, 1939 00:00 |
|
US-2170206-A // Electrical and electromechanical system employing magnetostrictive devices // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 883 kB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170206-A // Electrical and electromechanical system employing magnetostrictive devices // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2208398.pdf | 883 kB | Shaun Ewing | Jul 16, 1940 00:00 |
|
US-2208398-A // Radio receiver // Simons Burton H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 883 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208398-A // Radio receiver // Simons Burton H. // Bell Telephone Labor Inc | ||||
| PDF File 1970350.pdf | 883 kB | Shaun Ewing | Aug 14, 1934 00:00 |
|
US-1970350-A // Transmission line // West Julian M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 883 kB | Shaun Ewing | Aug 14, 1934 00:00 | US-1970350-A // Transmission line // West Julian M. // Bell Telephone Labor Inc | ||||
| PDF File 2034879.pdf | 882 kB | Shaun Ewing | Mar 24, 1936 00:00 |
|
US-2034879-A // Resilience and stiffness testing device // Ronci Victor L. ; Hale Douglas A. S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 882 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2034879-A // Resilience and stiffness testing device // Ronci Victor L. ; Hale Douglas A. S. // Bell Telephone Labor Inc | ||||
| PDF File 2218609.pdf | 881 kB | Shaun Ewing | Oct 22, 1940 00:00 |
|
US-2218609-A // Electromagnetic apparatus // Henning Harley A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 881 kB | Shaun Ewing | Oct 22, 1940 00:00 | US-2218609-A // Electromagnetic apparatus // Henning Harley A. // Bell Telephone Labor Inc | ||||
| PDF File 2113220.pdf | 881 kB | Shaun Ewing | Apr 05, 1938 00:00 |
|
US-2113220-A // Rectifier system // Power James R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 881 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113220-A // Rectifier system // Power James R. // Bell Telephone Labor Inc | ||||
| PDF File 2000198.pdf | 880 kB | Shaun Ewing | May 07, 1935 00:00 |
|
US-2000198-A // Sound and picture system // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 880 kB | Shaun Ewing | May 07, 1935 00:00 | US-2000198-A // Sound and picture system // Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2131715.pdf | 880 kB | Shaun Ewing | Sept 27, 1938 00:00 |
|
US-2131715-A // Electrooptical apparatus // Jr. Millard W. Baldwin, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 880 kB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131715-A // Electrooptical apparatus // Jr. Millard W. Baldwin, // Bell Telephone Labor Inc | ||||
| PDF File 1810004.pdf | 880 kB | Shaun Ewing | Jun 16, 1931 00:00 |
|
US-1810004-A // Voice operated relay circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 880 kB | Shaun Ewing | Jun 16, 1931 00:00 | US-1810004-A // Voice operated relay circuits // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2037171.pdf | 879 kB | Shaun Ewing | Apr 14, 1936 00:00 |
|
US-2037171-A // Wave filter // Lane Clarence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 879 kB | Shaun Ewing | Apr 14, 1936 00:00 | US-2037171-A // Wave filter // Lane Clarence E. // Bell Telephone Labor Inc | ||||
| PDF File 2107149.pdf | 879 kB | Shaun Ewing | Feb 01, 1938 00:00 |
|
US-2107149-A // Signal distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 879 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2107149-A // Signal distortion indicating and measuring device for printing telegraph systems // Hearn Richard B. // Bell Telephone Labor Inc | ||||
| PDF File 1837229.pdf | 878 kB | Shaun Ewing | Dec 22, 1931 00:00 |
|
US-1837229-A // Distortion correction in transmission systems // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 878 kB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837229-A // Distortion correction in transmission systems // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1832309.pdf | 878 kB | Shaun Ewing | Nov 17, 1931 00:00 |
|
US-1832309-A // Synchronous telegraph system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 878 kB | Shaun Ewing | Nov 17, 1931 00:00 | US-1832309-A // Synchronous telegraph system // Knoop William A. // Bell Telephone Labor Inc |
