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 2121142.pdf | 2.34 MB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2121142-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.34 MB | Shaun Ewing | Jun 21, 1938 00:00 | US-2121142-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2121141.pdf | 393 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2121141-A // Electrical power indicating apparatus // Lange Owen E. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2121141-A // Electrical power indicating apparatus // Lange Owen E. De // Bell Telephone Labor Inc | ||||
| PDF File 2120994.pdf | 719 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120994-A // Carrier communication system // Tidd Warren H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120994-A // Carrier communication system // Tidd Warren H. // Bell Telephone Labor Inc | ||||
| PDF File 2120989.pdf | 619 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120989-A // Mechanical drive // Pfannenstiehl Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120989-A // Mechanical drive // Pfannenstiehl Harry // Bell Telephone Labor Inc | ||||
| PDF File 2120985.pdf | 344 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120985-A // Electromagnetic device // Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120985-A // Electromagnetic device // Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2120979.pdf | 299 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120979-A // Acoustic element for sound studios // Hunt Franklin L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 299 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120979-A // Acoustic element for sound studios // Hunt Franklin L. // Bell Telephone Labor Inc | ||||
| PDF File 2120973.pdf | 260 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120973-A // Electrical coil // Dietze Eginhard ; Foley John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 260 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120973-A // Electrical coil // Dietze Eginhard ; Foley John W. // Bell Telephone Labor Inc | ||||
| PDF File 2120972.pdf | 847 kB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120972-A // Converting system // Blount Frank E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 847 kB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120972-A // Converting system // Blount Frank E. // Bell Telephone Labor Inc | ||||
| PDF File 2120971.pdf | 1.59 MB | Shaun Ewing | Jun 21, 1938 00:00 |
|
US-2120971-A // System and method of determining distance // Bailey Arnold B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Jun 21, 1938 00:00 | US-2120971-A // System and method of determining distance // Bailey Arnold B. // Bell Telephone Labor Inc | ||||
| PDF File 2120421.pdf | 312 kB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120421-A // Relay // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 312 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120421-A // Relay // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 2120419.pdf | 1.78 MB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120419-A // Telephone system // Stokely Grace Macdonald // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.78 MB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120419-A // Telephone system // Stokely Grace Macdonald // Bell Telephone Labor Inc | ||||
| PDF File 2120413.pdf | 666 kB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120413-A // Selective switch // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120413-A // Selective switch // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2120408.pdf | 727 kB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120408-A // Selective switch // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 727 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120408-A // Selective switch // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2120407.pdf | 687 kB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120407-A // Timing apparatus // Hardy Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 687 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120407-A // Timing apparatus // Hardy Frank // Bell Telephone Labor Inc | ||||
| PDF File 2120398.pdf | 510 kB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120398-A // Cable stripping tool // Edwards Paul G. ; Jordan Homer G. ; Shackleton Samuel P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120398-A // Cable stripping tool // Edwards Paul G. ; Jordan Homer G. ; Shackleton Samuel P. // Bell Telephone Labor Inc | ||||
| PDF File 2120396.pdf | 349 kB | Shaun Ewing | Jun 14, 1938 00:00 |
|
US-2120396-A // Electrical contact member // Domaleski Joseph V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120396-A // Electrical contact member // Domaleski Joseph V. // Bell Telephone Labor Inc | ||||
| PDF File 2119855.pdf | 687 kB | Shaun Ewing | Jun 07, 1938 00:00 |
|
US-2119855-A // Electric discharge device // Depew Charles // Bell Telephone Labor Inc | |||
| Version 1 (current) | 687 kB | Shaun Ewing | Jun 07, 1938 00:00 | US-2119855-A // Electric discharge device // Depew Charles // Bell Telephone Labor Inc | ||||
| PDF File 2119853.pdf | 566 kB | Shaun Ewing | Jun 07, 1938 00:00 |
|
US-2119853-A // Electric wave transmission system // Curtis Harold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Jun 07, 1938 00:00 | US-2119853-A // Electric wave transmission system // Curtis Harold E. // Bell Telephone Labor Inc | ||||
| PDF File 2119607.pdf | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 |
|
US-2119607-A // Radio communicating system // Sterba Ernest J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 | US-2119607-A // Radio communicating system // Sterba Ernest J. // Bell Telephone Labor Inc | ||||
| PDF File 2119559.pdf | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 |
|
US-2119559-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 | US-2119559-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc |