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 2106810.pdf | 827 kB | Shaun Ewing | Feb 01, 1938 00:00 |
|
US-2106810-A // Signaling system // Ressler Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 827 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106810-A // Signaling system // Ressler Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2106805.pdf | 851 kB | Shaun Ewing | Feb 01, 1938 00:00 |
|
US-2106805-A // Teletypewriter // Lang Wilmarth Y. ; Watson Edward F. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 851 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106805-A // Teletypewriter // Lang Wilmarth Y. ; Watson Edward F. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2106793.pdf | 610 kB | Shaun Ewing | Feb 01, 1938 00:00 |
|
US-2106793-A // Filter including space discharge device // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 610 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106793-A // Filter including space discharge device // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2106785.pdf | 471 kB | Shaun Ewing | Feb 01, 1938 00:00 |
|
US-2106785-A // Electric filter // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106785-A // Electric filter // Augustadt Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2106713.pdf | 469 kB | Shaun Ewing | Feb 01, 1938 00:00 |
|
US-2106713-A // Wave-meter // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106713-A // Wave-meter // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2106498.pdf | 517 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106498-A // Selective signal system // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106498-A // Selective signal system // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 2106360.pdf | 5.14 MB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106360-A // Telephone system // Raymond Ralph // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.14 MB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106360-A // Telephone system // Raymond Ralph // Bell Telephone Labor Inc | ||||
| PDF File 2106357.pdf | 565 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106357-A // Telegraph system // Marshall Tola A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 565 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106357-A // Telegraph system // Marshall Tola A. // Bell Telephone Labor Inc | ||||
| PDF File 2106356.pdf | 876 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106356-A // Signaling system // Low Frank K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 876 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106356-A // Signaling system // Low Frank K. // Bell Telephone Labor Inc | ||||
| PDF File 2106352.pdf | 1.51 MB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106352-A // Teletypewriter station // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106352-A // Teletypewriter station // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2106350.pdf | 437 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106350-A // Testing system // Hickman Clarence N. ; Kingsbury Burton A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106350-A // Testing system // Hickman Clarence N. ; Kingsbury Burton A. // Bell Telephone Labor Inc | ||||
| PDF File 2106344.pdf | 330 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106344-A // Electrical device // Flegal John R. ; Priessman Neil Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106344-A // Electrical device // Flegal John R. ; Priessman Neil Y. // Bell Telephone Labor Inc | ||||
| PDF File 2106342.pdf | 540 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106342-A // Electric discharge tube circuits // Jr. Stephen Deba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 540 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106342-A // Electric discharge tube circuits // Jr. Stephen Deba, // Bell Telephone Labor Inc | ||||
| PDF File 2106337.pdf | 696 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106337-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 696 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106337-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2106336.pdf | 378 kB | Shaun Ewing | Jan 25, 1938 00:00 |
|
US-2106336-A // Voltage or gain control // Anderson Frithiof B. ; Mallinckrodt Charles O. ; Stillwell Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106336-A // Voltage or gain control // Anderson Frithiof B. ; Mallinckrodt Charles O. ; Stillwell Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2105927.pdf | 979 kB | Shaun Ewing | Jan 18, 1938 00:00 |
|
US-2105927-A // Gain control system // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 979 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105927-A // Gain control system // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2105924.pdf | 438 kB | Shaun Ewing | Jan 18, 1938 00:00 |
|
US-2105924-A // Electron discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 438 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105924-A // Electron discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc | ||||
| PDF File 2105921.pdf | 4.37 MB | Shaun Ewing | Jan 18, 1938 00:00 |
|
US-2105921-A // Number checking system // Korn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.37 MB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105921-A // Number checking system // Korn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 2105916.pdf | 353 kB | Shaun Ewing | Jan 18, 1938 00:00 |
|
US-2105916-A // Sound reproducing system // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105916-A // Sound reproducing system // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2105910.pdf | 1.24 MB | Shaun Ewing | Jan 18, 1938 00:00 |
|
US-2105910-A // Carrier wave transmission system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105910-A // Carrier wave transmission system // Dudley Homer W. // Bell Telephone Labor Inc |
