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 1882866.pdf | 417 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882866-A // Signaling system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882866-A // Signaling system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1882854.pdf | 310 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882854-A // Mounting frame for electrical apparatus // Mead Edward D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 310 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882854-A // Mounting frame for electrical apparatus // Mead Edward D. // Bell Telephone Labor Inc | ||||
| PDF File 1882851.pdf | 635 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882851-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 635 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882851-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 1882850.pdf | 861 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882850-A // Frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 861 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882850-A // Frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1882849.pdf | 714 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882849-A // Frequency control system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 714 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882849-A // Frequency control system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1882829.pdf | 458 kB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882829-A // Relief picture viewing screen // Hall Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882829-A // Relief picture viewing screen // Hall Howard // Bell Telephone Labor Inc | ||||
| PDF File 1882753.pdf | 2.04 MB | Shaun Ewing | Oct 18, 1932 00:00 |
|
US-1882753-A // Telephone system // Bowne Langford J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882753-A // Telephone system // Bowne Langford J. // Bell Telephone Labor Inc | ||||
| PDF File 1882081.pdf | 208 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1882081-A // Insulating adhesive // Kemp Archie R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 208 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1882081-A // Insulating adhesive // Kemp Archie R. // Bell Telephone Labor Inc | ||||
| PDF File 1881891.pdf | 538 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881891-A // Electric discharge device // Olpin Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 538 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881891-A // Electric discharge device // Olpin Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 1881829.pdf | 323 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881829-A // Electromagnetic signaling device // Miller Daniel D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 323 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881829-A // Electromagnetic signaling device // Miller Daniel D. // Bell Telephone Labor Inc | ||||
| PDF File 1881810.pdf | 435 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881810-A // Frequency control method and system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881810-A // Frequency control method and system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1881801.pdf | 915 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881801-A // Two-way signaling system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 915 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881801-A // Two-way signaling system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1881711.pdf | 468 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881711-A // Magnetic structure // Lathrop Hubbel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881711-A // Magnetic structure // Lathrop Hubbel // Bell Telephone Labor Inc | ||||
| PDF File 1881685.pdf | 555 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881685-A // Phase shifting device // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 555 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881685-A // Phase shifting device // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 1881684.pdf | 885 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881684-A // Synchronizing system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881684-A // Synchronizing system // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 1881669.pdf | 1.96 MB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881669-A // Telephone system // King Gerald V. ; Bonomi Felix A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.96 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881669-A // Telephone system // King Gerald V. ; Bonomi Felix A. // Bell Telephone Labor Inc | ||||
| PDF File 1881657.pdf | 653 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881657-A // Circuit for electrical discharge apparatus // Keith Clyde R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881657-A // Circuit for electrical discharge apparatus // Keith Clyde R. // Bell Telephone Labor Inc | ||||
| PDF File 1881642.pdf | 779 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881642-A // Transmission control circuits // Jones Herbert L. ; Veazie Edmund A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881642-A // Transmission control circuits // Jones Herbert L. ; Veazie Edmund A. // Bell Telephone Labor Inc | ||||
| PDF File 1881616.pdf | 468 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881616-A // Electrooptical device // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881616-A // Electrooptical device // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1881607.pdf | 1.29 MB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881607-A // Printing telegraph system // Hunt Arthur E. ; Lang Wilmarth Y. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881607-A // Printing telegraph system // Hunt Arthur E. ; Lang Wilmarth Y. // American Telephone & Telegraph ; Bell Telephone Labor Inc |
