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 1738290.pdf | 580 kB | Shaun Ewing | Dec 03, 1929 00:00 |
|
US-1738290-A // Telephone-exchange system // Fowler Clarence B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738290-A // Telephone-exchange system // Fowler Clarence B. // Bell Telephone Labor Inc | ||||
| PDF File 1738247.pdf | 519 kB | Shaun Ewing | Dec 03, 1929 00:00 |
|
US-1738247-A // Current-controlling system // Husta Philip // Bell Telephone Labor Inc | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738247-A // Current-controlling system // Husta Philip // Bell Telephone Labor Inc | ||||
| PDF File 1738245.pdf | 2.24 MB | Shaun Ewing | Dec 03, 1929 00:00 |
|
US-1738245-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.24 MB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738245-A // Telephone system // Hinrichsen Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 1738007.pdf | 598 kB | Shaun Ewing | Dec 03, 1929 00:00 |
|
US-1738007-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738007-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1734624.pdf | 497 kB | Shaun Ewing | Nov 05, 1929 00:00 |
|
US-1734624-A // Piston diaphragm having tangential corrugations // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Nov 05, 1929 00:00 | US-1734624-A // Piston diaphragm having tangential corrugations // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1733617.pdf | 744 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733617-A // Signaling system // Meissner Charles R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733617-A // Signaling system // Meissner Charles R. // Bell Telephone Labor Inc | ||||
| PDF File 1733614.pdf | 309 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733614-A // Subharmonic frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 309 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733614-A // Subharmonic frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1733608.pdf | 224 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733608-A // Phonograph needle // Knox William G. ; Russell Alexander G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 224 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733608-A // Phonograph needle // Knox William G. ; Russell Alexander G. // Bell Telephone Labor Inc | ||||
| PDF File 1733607.pdf | 221 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733607-A // Combined recorder and reproducer // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 221 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733607-A // Combined recorder and reproducer // Keller Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 1733605.pdf | 240 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733605-A // Tactual interpretation of vibrations // Jones Warren C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733605-A // Tactual interpretation of vibrations // Jones Warren C. // Bell Telephone Labor Inc | ||||
| PDF File 1733602.pdf | 468 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733602-A // Telephone system // Johnson Herbert B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733602-A // Telephone system // Johnson Herbert B. // Bell Telephone Labor Inc | ||||
| PDF File 1733596.pdf | 287 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733596-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 287 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733596-A // Acoustic device // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1733592.pdf | 277 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733592-A // Process of manufacture of magnetic cores // Given Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 277 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733592-A // Process of manufacture of magnetic cores // Given Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 1733591.pdf | 321 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733591-A // Electric-circuit connecter // Gilson Albert F. F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 321 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733591-A // Electric-circuit connecter // Gilson Albert F. F. // Bell Telephone Labor Inc | ||||
| PDF File 1733580.pdf | 897 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733580-A // Telephone system // Collis Raymond E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733580-A // Telephone system // Collis Raymond E. // Bell Telephone Labor Inc | ||||
| PDF File 1733569.pdf | 683 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733569-A // Telephone-exchange system // Williford Oscar H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733569-A // Telephone-exchange system // Williford Oscar H. // Bell Telephone Labor Inc | ||||
| PDF File 1733568.pdf | 1.56 MB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733568-A // Telephone system // Wilbur Ray S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733568-A // Telephone system // Wilbur Ray S. // Bell Telephone Labor Inc | ||||
| PDF File 1733557.pdf | 299 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733557-A // Film-retaining roller // Pfannenstiehl Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 299 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733557-A // Film-retaining roller // Pfannenstiehl Harry // Bell Telephone Labor Inc | ||||
| PDF File 1733556.pdf | 573 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733556-A // Carrier-wave transmission // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733556-A // Carrier-wave transmission // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 1733554.pdf | 331 kB | Shaun Ewing | Oct 29, 1929 00:00 |
|
US-1733554-A // Magnetic device // Norton Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733554-A // Magnetic device // Norton Edward L. // Bell Telephone Labor Inc |
