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 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 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 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 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 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 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 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 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 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 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 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 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 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 1901433.pdf | 1.20 MB | Shaun Ewing | Mar 14, 1933 00:00 |
|
US-1901433-A // Artificial larynk // Burchett George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Mar 14, 1933 00:00 | US-1901433-A // Artificial larynk // Burchett George W. // Bell Telephone Labor Inc | ||||
| PDF File 1901403.pdf | 1.20 MB | Shaun Ewing | Mar 14, 1933 00:00 |
|
US-1901403-A // Telephone system // Murphy Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.20 MB | Shaun Ewing | Mar 14, 1933 00:00 | US-1901403-A // Telephone system // Murphy Paul B. // Bell Telephone Labor Inc | ||||
| PDF File 1901400.pdf | 422 kB | Shaun Ewing | Mar 14, 1933 00:00 |
|
US-1901400-A // Harmonic analyzer // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 422 kB | Shaun Ewing | Mar 14, 1933 00:00 | US-1901400-A // Harmonic analyzer // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1899410.pdf | 1.45 MB | Shaun Ewing | Feb 28, 1933 00:00 |
|
US-1899410-A // Directive antenna system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.45 MB | Shaun Ewing | Feb 28, 1933 00:00 | US-1899410-A // Directive antenna system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 1899163.pdf | 263 kB | Shaun Ewing | Feb 28, 1933 00:00 |
|
US-1899163-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 263 kB | Shaun Ewing | Feb 28, 1933 00:00 | US-1899163-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1897639.pdf | 547 kB | Shaun Ewing | Feb 14, 1933 00:00 |
|
US-1897639-A // Transmission network // Jr. John G. Kreer, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 547 kB | Shaun Ewing | Feb 14, 1933 00:00 | US-1897639-A // Transmission network // Jr. John G. Kreer, // Bell Telephone Labor Inc | ||||
| PDF File 1897606.pdf | 396 kB | Shaun Ewing | Feb 14, 1933 00:00 |
|
US-1897606-A // Hand welding machine // Cole Ira E. ; May David T. ; Weller Anthony A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 396 kB | Shaun Ewing | Feb 14, 1933 00:00 | US-1897606-A // Hand welding machine // Cole Ira E. ; May David T. ; Weller Anthony A. // Bell Telephone Labor Inc |
