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 2302071.pdf | 3.16 MB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302071-A // Signaling system // Taylor Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.16 MB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302071-A // Signaling system // Taylor Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2302080.pdf | 1.64 MB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302080-A // Teletypewriter system // Watson Edward F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302080-A // Teletypewriter system // Watson Edward F. // Bell Telephone Labor Inc | ||||
| PDF File 2302106.pdf | 932 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302106-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 932 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302106-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2302118.pdf | 703 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302118-A // Electron discharge device // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 703 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302118-A // Electron discharge device // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2302128.pdf | 430 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302128-A // Counting device // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302128-A // Counting device // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2302293.pdf | 566 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302293-A // Crosstalk reduction // Brown John T. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302293-A // Crosstalk reduction // Brown John T. L. // Bell Telephone Labor Inc | ||||
| PDF File 2302334.pdf | 917 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302334-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 917 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302334-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2302374.pdf | 462 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302374-A // Two-way signal transmission system // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302374-A // Two-way signal transmission system // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2302537.pdf | 491 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302537-A // Relay // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302537-A // Relay // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2302544.pdf | 779 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302544-A // Signaling system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 779 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302544-A // Signaling system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2302546.pdf | 872 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302546-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 872 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302546-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2302554.pdf | 1.18 MB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302554-A // Radiation pyrometer // Kingsbury Edwin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302554-A // Radiation pyrometer // Kingsbury Edwin F. // Bell Telephone Labor Inc | ||||
| PDF File 2302587.pdf | 723 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302587-A // Telephone trunking system // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302587-A // Telephone trunking system // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 2303015.pdf | 744 kB | Shaun Ewing | Nov 24, 1942 00:00 |
|
US-2303015-A // Emergency conference circuit // Beaumont William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Nov 24, 1942 00:00 | US-2303015-A // Emergency conference circuit // Beaumont William M. // Bell Telephone Labor Inc | ||||
| PDF File 2303016.pdf | 969 kB | Shaun Ewing | Nov 24, 1942 00:00 |
|
US-2303016-A // Impulse counting circuit // Blount Frank E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 969 kB | Shaun Ewing | Nov 24, 1942 00:00 | US-2303016-A // Impulse counting circuit // Blount Frank E. // Bell Telephone Labor Inc | ||||
| PDF File 2303054.pdf | 2.02 MB | Shaun Ewing | Nov 24, 1942 00:00 |
|
US-2303054-A // Polar signal test transmitter // Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.02 MB | Shaun Ewing | Nov 24, 1942 00:00 | US-2303054-A // Polar signal test transmitter // Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2303166.pdf | 339 kB | Shaun Ewing | Nov 24, 1942 00:00 |
|
US-2303166-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 339 kB | Shaun Ewing | Nov 24, 1942 00:00 | US-2303166-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2303194.pdf | 355 kB | Shaun Ewing | Nov 24, 1942 00:00 |
|
US-2303194-A // Alloy // Bouton George M. ; Phipps George S. ; Schumacher Earle E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Nov 24, 1942 00:00 | US-2303194-A // Alloy // Bouton George M. ; Phipps George S. ; Schumacher Earle E. // Bell Telephone Labor Inc | ||||
| PDF File 2303356.pdf | 935 kB | Shaun Ewing | Dec 01, 1942 00:00 |
|
US-2303356-A // Selecting system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 935 kB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303356-A // Selecting system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2303375.pdf | 1.56 MB | Shaun Ewing | Dec 01, 1942 00:00 |
|
US-2303375-A // Rochelle salt piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303375-A // Rochelle salt piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc |
