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 2338410.pdf | 344 kB | Shaun Ewing | Jan 04, 1944 00:00 |
|
US-2338410-A // Push-pull amplifier // Cousins Van M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338410-A // Push-pull amplifier // Cousins Van M. // Bell Telephone Labor Inc | ||||
| PDF File 2338434.pdf | 1.23 MB | Shaun Ewing | Jan 04, 1944 00:00 |
|
US-2338434-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338434-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2338435.pdf | 255 kB | Shaun Ewing | Jan 04, 1944 00:00 |
|
US-2338435-A // Gain fixture for poles // Hoyt Leon G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 255 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338435-A // Gain fixture for poles // Hoyt Leon G. // Bell Telephone Labor Inc | ||||
| PDF File 2338566.pdf | 593 kB | Shaun Ewing | Jan 04, 1944 00:00 |
|
US-2338566-A // Electromagnetic device // Badgley Robert H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 593 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338566-A // Electromagnetic device // Badgley Robert H. // Bell Telephone Labor Inc | ||||
| PDF File 2338636.pdf | 3.01 MB | Shaun Ewing | Jan 04, 1944 00:00 |
|
US-2338636-A // Automatic billing system // Goodrum Charles L. ; Hinrichsen Edward E. ; Keller Leo // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.01 MB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338636-A // Automatic billing system // Goodrum Charles L. ; Hinrichsen Edward E. ; Keller Leo // Bell Telephone Labor Inc | ||||
| PDF File 2338642.pdf | 712 kB | Shaun Ewing | Jan 04, 1944 00:00 |
|
US-2338642-A // Testing and signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 712 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338642-A // Testing and signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2338752.pdf | 2.67 MB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2338752-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.67 MB | Shaun Ewing | Jan 11, 1944 00:00 | US-2338752-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc | ||||
| PDF File 2338757.pdf | 338 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2338757-A // Telephone set // Curran Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2338757-A // Telephone set // Curran Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 2338997.pdf | 383 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2338997-A // Communication system // Busch Aloysius J. ; Henry Israel H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2338997-A // Communication system // Busch Aloysius J. ; Henry Israel H. // Bell Telephone Labor Inc | ||||
| PDF File 2339029.pdf | 561 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2339029-A // Thermosensitive relay // Pearson Gerald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 561 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339029-A // Thermosensitive relay // Pearson Gerald L. // Bell Telephone Labor Inc | ||||
| PDF File 2339091.pdf | 724 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2339091-A // Stabilized halogenated compound and apparatus containing it // Mclean David A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339091-A // Stabilized halogenated compound and apparatus containing it // Mclean David A. // Bell Telephone Labor Inc | ||||
| PDF File 2339195.pdf | 1.01 MB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2339195-A // Key-operated telephone call transmitter // Richard Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339195-A // Key-operated telephone call transmitter // Richard Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2339198.pdf | 441 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2339198-A // Electric wave circuit // Smith Kenneth D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 441 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339198-A // Electric wave circuit // Smith Kenneth D. // Bell Telephone Labor Inc | ||||
| PDF File 2339210.pdf | 436 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2339210-A // Screw driver type tool // Volz Arthur H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339210-A // Screw driver type tool // Volz Arthur H. // Bell Telephone Labor Inc | ||||
| PDF File 2339404.pdf | 977 kB | Shaun Ewing | Jan 18, 1944 00:00 |
|
US-2339404-A // Switching mechanism // Hibbard Frank H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 977 kB | Shaun Ewing | Jan 18, 1944 00:00 | US-2339404-A // Switching mechanism // Hibbard Frank H. // Bell Telephone Labor Inc | ||||
| PDF File 2339406.pdf | 520 kB | Shaun Ewing | Jan 18, 1944 00:00 |
|
US-2339406-A // Electrical transmission system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Jan 18, 1944 00:00 | US-2339406-A // Electrical transmission system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2339413.pdf | 225 kB | Shaun Ewing | Jan 18, 1944 00:00 |
|
US-2339413-A // Telephone handset hanger // King Douglas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 225 kB | Shaun Ewing | Jan 18, 1944 00:00 | US-2339413-A // Telephone handset hanger // King Douglas H. // Bell Telephone Labor Inc | ||||
| PDF File 2339425.pdf | 533 kB | Shaun Ewing | Jan 18, 1944 00:00 |
|
US-2339425-A // Toll switchboard // Porter Leslie F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Jan 18, 1944 00:00 | US-2339425-A // Toll switchboard // Porter Leslie F. // Bell Telephone Labor Inc | ||||
| PDF File 2339465.pdf | 1.69 MB | Shaun Ewing | Jan 18, 1944 00:00 |
|
US-2339465-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Jan 18, 1944 00:00 | US-2339465-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2339490.pdf | 1.56 MB | Shaun Ewing | Jan 18, 1944 00:00 |
|
US-2339490-A // Power supply system // Langabeer Harvey T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Jan 18, 1944 00:00 | US-2339490-A // Power supply system // Langabeer Harvey T. // Bell Telephone Labor Inc |