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 2332073.pdf | 633 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332073-A // Electric circuit control // Grierson Cyrus A. W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332073-A // Electric circuit control // Grierson Cyrus A. W. // Bell Telephone Labor Inc | ||||
| PDF File 2332091.pdf | 533 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332091-A // Ventilating system for telephone booths // Kuhn John J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332091-A // Ventilating system for telephone booths // Kuhn John J. // Bell Telephone Labor Inc | ||||
| PDF File 2332102.pdf | 342 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332102-A // Negative transconductance tube oscillator // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332102-A // Negative transconductance tube oscillator // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2332112.pdf | 469 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332112-A // Cable ring // Pritchard William T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332112-A // Cable ring // Pritchard William T. // Bell Telephone Labor Inc | ||||
| PDF File 2332120.pdf | 318 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332120-A // Mechanical wave filter // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332120-A // Mechanical wave filter // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2332290.pdf | 1.41 MB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332290-A // Communication system // Baumfalk John // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332290-A // Communication system // Baumfalk John // Bell Telephone Labor Inc | ||||
| PDF File 2332338.pdf | 317 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332338-A // Contact making device // Jr. Robert Lee Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332338-A // Contact making device // Jr. Robert Lee Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2332343.pdf | 2.60 MB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332343-A // Ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.60 MB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332343-A // Ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc | ||||
| PDF File 2332430.pdf | 963 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332430-A // Two-way telephone system // Berger Uriah S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 963 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332430-A // Two-way telephone system // Berger Uriah S. // Bell Telephone Labor Inc | ||||
| PDF File 2332448.pdf | 783 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332448-A // Telephone system // Inglis Alfred H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332448-A // Telephone system // Inglis Alfred H. // Bell Telephone Labor Inc | ||||
| PDF File 2332451.pdf | 1.09 MB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332451-A // Telegraph trouble indicator circuit // Marshall Tola A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332451-A // Telegraph trouble indicator circuit // Marshall Tola A. // Bell Telephone Labor Inc | ||||
| PDF File 2332494.pdf | 512 kB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332494-A // Signaling system // Babcock Stuart M. ; Jr. Arthur W. Horton, ; Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332494-A // Signaling system // Babcock Stuart M. ; Jr. Arthur W. Horton, ; Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2332551.pdf | 584 kB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332551-A // Telephone set circuit // Bascom Henry M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332551-A // Telephone set circuit // Bascom Henry M. // Bell Telephone Labor Inc | ||||
| PDF File 2332596.pdf | 405 kB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332596-A // Resistor device // Pearson Gerald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 405 kB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332596-A // Resistor device // Pearson Gerald L. // Bell Telephone Labor Inc | ||||
| PDF File 2332622.pdf | 2.43 MB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332622-A // Electron discharge device // Calbick Chester J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.43 MB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332622-A // Electron discharge device // Calbick Chester J. // Bell Telephone Labor Inc | ||||
| PDF File 2332643.pdf | 837 kB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332643-A // Telephone set circuit // Johnson Kenneth S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 837 kB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332643-A // Telephone set circuit // Johnson Kenneth S. // Bell Telephone Labor Inc | ||||
| PDF File 2332645.pdf | 1.32 MB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332645-A // Station selecting system // Keithley Joseph F. ; Knandel George J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332645-A // Station selecting system // Keithley Joseph F. ; Knandel George J. // Bell Telephone Labor Inc | ||||
| PDF File 2332872.pdf | 416 kB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332872-A // Station circuit // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332872-A // Station circuit // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2332878.pdf | 1.23 MB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332878-A // Dial operated crossbar selector // Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332878-A // Dial operated crossbar selector // Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2332907.pdf | 663 kB | Shaun Ewing | Oct 26, 1943 00:00 |
|
US-2332907-A // Signaling system // Fritschi Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 663 kB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332907-A // Signaling system // Fritschi Walter W. // Bell Telephone Labor Inc |