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 1901443.pdf | 328 kB | Shaun Ewing | Mar 14, 1933 00:00 |
|
US-1901443-A // Signaling device // Garvin John S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 328 kB | Shaun Ewing | Mar 14, 1933 00:00 | US-1901443-A // Signaling device // Garvin John S. // Bell Telephone Labor Inc | ||||
| PDF File 1901449.pdf | 506 kB | Shaun Ewing | Mar 14, 1933 00:00 |
|
US-1901449-A // Multicontact switch // Hoge Joseph F. D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Mar 14, 1933 00:00 | US-1901449-A // Multicontact switch // Hoge Joseph F. D. // Bell Telephone Labor Inc | ||||
| PDF File 1901898.pdf | 343 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901898-A // Sound translating device // Clarke Harry R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 343 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901898-A // Sound translating device // Clarke Harry R. // Bell Telephone Labor Inc | ||||
| PDF File 1901901.pdf | 431 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901901-A // Testing of electrical contacts // Dixon John B. ; Honan Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901901-A // Testing of electrical contacts // Dixon John B. ; Honan Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 1901921.pdf | 344 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901921-A // Electrical meter // Means Winthrop J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901921-A // Electrical meter // Means Winthrop J. // Bell Telephone Labor Inc | ||||
| PDF File 1901929.pdf | 646 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901929-A // Voltage limiting system // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901929-A // Voltage limiting system // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1901938.pdf | 294 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901938-A // Method of and means for tapping a conductor // Tinus William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 294 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901938-A // Method of and means for tapping a conductor // Tinus William C. // Bell Telephone Labor Inc | ||||
| PDF File 1901944.pdf | 410 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901944-A // Telephone system // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 410 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901944-A // Telephone system // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 1901947.pdf | 230 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901947-A // Supporting device // Bescherer Edwin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901947-A // Supporting device // Bescherer Edwin A. // Bell Telephone Labor Inc | ||||
| PDF File 1901958.pdf | 678 kB | Shaun Ewing | Mar 21, 1933 00:00 |
|
US-1901958-A // Substation circuit // Gooderham John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 678 kB | Shaun Ewing | Mar 21, 1933 00:00 | US-1901958-A // Substation circuit // Gooderham John W. // Bell Telephone Labor Inc | ||||
| PDF File 1903975.pdf | 765 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1903975-A // Submarine signaling cable // Buckley Oliver E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903975-A // Submarine signaling cable // Buckley Oliver E. // Bell Telephone Labor Inc | ||||
| PDF File 1903976.pdf | 155 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1903976-A // Process of making concrete // Burns Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 155 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903976-A // Process of making concrete // Burns Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 1903981.pdf | 228 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1903981-A // Motion picture film // Coffman Joe W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 228 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903981-A // Motion picture film // Coffman Joe W. // Bell Telephone Labor Inc | ||||
| PDF File 1903992.pdf | 402 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1903992-A // Submarine cable loading coil // Gilbert John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 402 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903992-A // Submarine cable loading coil // Gilbert John J. // Bell Telephone Labor Inc | ||||
| PDF File 1903998.pdf | 504 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1903998-A // Telephone exchange system // Harper Robert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903998-A // Telephone exchange system // Harper Robert W. // Bell Telephone Labor Inc | ||||
| PDF File 1903999.pdf | 344 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1903999-A // Regulating system // Holden William H. T. ; Jutson Robert P. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1903999-A // Regulating system // Holden William H. T. ; Jutson Robert P. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1904000.pdf | 539 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904000-A // Reeling device // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 539 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904000-A // Reeling device // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 1904017.pdf | 1.19 MB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904017-A // Telephone system // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904017-A // Telephone system // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 1904156.pdf | 515 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904156-A // Pneumatic sound reproducer // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904156-A // Pneumatic sound reproducer // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 1904233.pdf | 393 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904233-A // Process for producing magnetic bodies // Hollingsworth Lowell M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904233-A // Process for producing magnetic bodies // Hollingsworth Lowell M. // Bell Telephone Labor Inc |
