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 2204747.pdf | 525 kB | Shaun Ewing | Jun 18, 1940 00:00 |
|
US-2204747-A // Coin collector apparatus // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 525 kB | Shaun Ewing | Jun 18, 1940 00:00 | US-2204747-A // Coin collector apparatus // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 2179826.pdf | 524 kB | Shaun Ewing | Nov 14, 1939 00:00 |
|
US-2179826-A // Protective device // May David T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179826-A // Protective device // May David T. // Bell Telephone Labor Inc | ||||
| PDF File 1990551.pdf | 524 kB | Shaun Ewing | Feb 12, 1935 00:00 |
|
US-1990551-A // Synchronous vibrating relay circuit // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 524 kB | Shaun Ewing | Feb 12, 1935 00:00 | US-1990551-A // Synchronous vibrating relay circuit // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2172453.pdf | 523 kB | Shaun Ewing | Sept 12, 1939 00:00 |
|
US-2172453-A // Radio transmitter // Rose Charles F. P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172453-A // Radio transmitter // Rose Charles F. P. // Bell Telephone Labor Inc | ||||
| PDF File 1934369.pdf | 523 kB | Shaun Ewing | Nov 07, 1933 00:00 |
|
US-1934369-A // Electric discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Nov 07, 1933 00:00 | US-1934369-A // Electric discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc | ||||
| PDF File 2165510.pdf | 523 kB | Shaun Ewing | Jul 11, 1939 00:00 |
|
US-2165510-A // Electrical measuring, recording, and control system // Rosene Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165510-A // Electrical measuring, recording, and control system // Rosene Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1935321.pdf | 523 kB | Shaun Ewing | Nov 14, 1933 00:00 |
|
US-1935321-A // Gutta-percha insulation material // Kemp Archie R. ; Ingmanson John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Nov 14, 1933 00:00 | US-1935321-A // Gutta-percha insulation material // Kemp Archie R. ; Ingmanson John H. // Bell Telephone Labor Inc | ||||
| PDF File 2169301.pdf | 523 kB | Shaun Ewing | Aug 15, 1939 00:00 |
|
US-2169301-A // Wave filter // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Aug 15, 1939 00:00 | US-2169301-A // Wave filter // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 1834393.pdf | 522 kB | Shaun Ewing | Dec 01, 1931 00:00 |
|
US-1834393-A // Telephone exchange system // Fowler Clarence B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1834393-A // Telephone exchange system // Fowler Clarence B. // Bell Telephone Labor Inc | ||||
| PDF File 1814269.pdf | 521 kB | Shaun Ewing | Jul 14, 1931 00:00 |
|
US-1814269-A // Portable talking motion picture projector // Terry Roy V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 521 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1814269-A // Portable talking motion picture projector // Terry Roy V. // Bell Telephone Labor Inc | ||||
| PDF File 1912426.pdf | 520 kB | Shaun Ewing | Jun 06, 1933 00:00 |
|
US-1912426-A // Electric meter // Blattner David G. ; Hopkins Harris F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Jun 06, 1933 00:00 | US-1912426-A // Electric meter // Blattner David G. ; Hopkins Harris F. // Bell Telephone Labor Inc | ||||
| PDF File 1840144.pdf | 520 kB | Shaun Ewing | Jan 05, 1932 00:00 |
|
US-1840144-A // Coin collector // Wheeler Clyde H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Jan 05, 1932 00:00 | US-1840144-A // Coin collector // Wheeler Clyde H. // Bell Telephone Labor Inc | ||||
| PDF File 2039631.pdf | 520 kB | Shaun Ewing | May 05, 1936 00:00 |
|
US-2039631-A // Test circuit // Cesareo Orfeo // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | May 05, 1936 00:00 | US-2039631-A // Test circuit // Cesareo Orfeo // Bell Telephone Labor Inc | ||||
| PDF File 2194306.pdf | 520 kB | Shaun Ewing | Mar 19, 1940 00:00 |
|
US-2194306-A // Telephone calling dial // Huxham Trevor S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Mar 19, 1940 00:00 | US-2194306-A // Telephone calling dial // Huxham Trevor S. // Bell Telephone Labor Inc | ||||
| PDF File 2199221.pdf | 520 kB | Shaun Ewing | Apr 30, 1940 00:00 |
|
US-2199221-A // Wave filter // Gilman George William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Apr 30, 1940 00:00 | US-2199221-A // Wave filter // Gilman George William // Bell Telephone Labor Inc | ||||
| PDF File 2046704.pdf | 520 kB | Shaun Ewing | Jul 07, 1936 00:00 |
|
US-2046704-A // Owen bridge // Slonczewski Thaddeus // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Jul 07, 1936 00:00 | US-2046704-A // Owen bridge // Slonczewski Thaddeus // Bell Telephone Labor Inc | ||||
| PDF File 1882893.pdf | 519 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882893-A // Sound picture camera // Potts Louis M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882893-A // Sound picture camera // Potts Louis M. // Bell Telephone Labor Inc | ||||
| PDF File 1832453.pdf | 519 kB | Shaun Ewing | Nov 17, 1931 00:00 |
|
US-1832453-A // Telephone metering system // Fowler Clarence B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Nov 17, 1931 00:00 | US-1832453-A // Telephone metering system // Fowler Clarence B. // Bell Telephone Labor Inc | ||||
| PDF File 1993768.pdf | 519 kB | Shaun Ewing | Mar 12, 1935 00:00 |
|
US-1993768-A // Acoustic device // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Mar 12, 1935 00:00 | US-1993768-A // Acoustic device // Atkins George E. // Bell Telephone Labor Inc | ||||
| PDF File 2044000.pdf | 518 kB | Shaun Ewing | Jun 16, 1936 00:00 |
|
US-2044000-A // Mechanical vibrating system // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jun 16, 1936 00:00 | US-2044000-A // Mechanical vibrating system // Heising Raymond A. // Bell Telephone Labor Inc |
