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 1719474.pdf | 337 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719474-A // Current-controlling device // Jutson Robert P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 337 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719474-A // Current-controlling device // Jutson Robert P. // Bell Telephone Labor Inc | ||||
| PDF File 1719477.pdf | 398 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719477-A // Telegraph system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 398 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719477-A // Telegraph system // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 1719479.pdf | 528 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719479-A // Composite conductor // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719479-A // Composite conductor // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1719485.pdf | 1.14 MB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719485-A // Power-line carrier wave signaling system // Pease Reginald M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719485-A // Power-line carrier wave signaling system // Pease Reginald M. // Bell Telephone Labor Inc | ||||
| PDF File 1719489.pdf | 184 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719489-A // Telegraph printer // Shangle Amos H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 184 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719489-A // Telegraph printer // Shangle Amos H. // Bell Telephone Labor Inc | ||||
| PDF File 1719491.pdf | 480 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719491-A // Electric regulator // Stoller Hugh M. ; Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719491-A // Electric regulator // Stoller Hugh M. ; Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 1719492.pdf | 516 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719492-A // Regulator system // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719492-A // Regulator system // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 1719494.pdf | 716 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719494-A // Telephone-exchange system // Ulrich Horace W. ; Prince William B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 716 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719494-A // Telephone-exchange system // Ulrich Horace W. ; Prince William B. // Bell Telephone Labor Inc | ||||
| PDF File 1719495.pdf | 315 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719495-A // Oscillation generator // Wiese Floyd M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 315 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719495-A // Oscillation generator // Wiese Floyd M. // Bell Telephone Labor Inc | ||||
| PDF File 1719499.pdf | 267 kB | Shaun Ewing | Jul 02, 1929 00:00 |
|
US-1719499-A // Telephone system // Bowne Langford J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 267 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719499-A // Telephone system // Bowne Langford J. // Bell Telephone Labor Inc | ||||
| PDF File 1722016.pdf | 302 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722016-A // Electrical conductor and method of making same // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722016-A // Electrical conductor and method of making same // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1722027.pdf | 219 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722027-A // Acoustic device // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 219 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722027-A // Acoustic device // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 1722033.pdf | 561 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722033-A // Telephone-exchange system // Bragg Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 561 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722033-A // Telephone-exchange system // Bragg Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1722039.pdf | 342 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722039-A // Signal-operated repeater circuits // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722039-A // Signal-operated repeater circuits // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1722045.pdf | 307 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722045-A // Transmission system // Fry Jacob R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722045-A // Transmission system // Fry Jacob R. // Bell Telephone Labor Inc | ||||
| PDF File 1722047.pdf | 698 kB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722047-A // System for signaling // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 698 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722047-A // System for signaling // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 1722064.pdf | 1.05 MB | Shaun Ewing | Jul 23, 1929 00:00 |
|
US-1722064-A // Telephone-exchange system // Stearn Franklin A. ; Clark Edgar H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722064-A // Telephone-exchange system // Stearn Franklin A. ; Clark Edgar H. // Bell Telephone Labor Inc | ||||
| PDF File 1722347.pdf | 330 kB | Shaun Ewing | Jul 30, 1929 00:00 |
|
US-1722347-A // Acoustic apparatus // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722347-A // Acoustic apparatus // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 1722751.pdf | 643 kB | Shaun Ewing | Jul 30, 1929 00:00 |
|
US-1722751-A // Optical inspection system // Jones Reginald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 643 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722751-A // Optical inspection system // Jones Reginald L. // Bell Telephone Labor Inc | ||||
| PDF File 1722805.pdf | 393 kB | Shaun Ewing | Jul 30, 1929 00:00 |
|
US-1722805-A // Sound radiator // Lane Clarence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722805-A // Sound radiator // Lane Clarence E. // Bell Telephone Labor Inc |
