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 2288452.pdf | 558 kB | Shaun Ewing | Jun 30, 1942 00:00 |
|
US-2288452-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Jun 30, 1942 00:00 | US-2288452-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2288694.pdf | 617 kB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2288694-A // Method of and apparatus for extracting energy from a beam of velocity modulated electrons // Fry Thornton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288694-A // Method of and apparatus for extracting energy from a beam of velocity modulated electrons // Fry Thornton C. // Bell Telephone Labor Inc | ||||
| PDF File 2288695.pdf | 896 kB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2288695-A // Electrical insulated conductor // Fulier Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288695-A // Electrical insulated conductor // Fulier Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2288811.pdf | 756 kB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2288811-A // Switching device // Leveridge Walter J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288811-A // Switching device // Leveridge Walter J. // Bell Telephone Labor Inc | ||||
| PDF File 2288817.pdf | 341 kB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2288817-A // Oscillation modulator // Maggio John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288817-A // Oscillation modulator // Maggio John B. // Bell Telephone Labor Inc | ||||
| PDF File 2289048.pdf | 1.28 MB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2289048-A // Power line carrier frequency telephone system // Jr. George Sandalls, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Jul 07, 1942 00:00 | US-2289048-A // Power line carrier frequency telephone system // Jr. George Sandalls, // Bell Telephone Labor Inc | ||||
| PDF File 2289091.pdf | 361 kB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2289091-A // Thermionic tube amplifier // Bell Delamar T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2289091-A // Thermionic tube amplifier // Bell Delamar T. // Bell Telephone Labor Inc | ||||
| PDF File 2289156.pdf | 562 kB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2289156-A // Electric discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2289156-A // Electric discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2289174.pdf | 1.14 MB | Shaun Ewing | Jul 07, 1942 00:00 |
|
US-2289174-A // Carrier transmission system // Botsford Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Jul 07, 1942 00:00 | US-2289174-A // Carrier transmission system // Botsford Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2289503.pdf | 1.32 MB | Shaun Ewing | Jul 14, 1942 00:00 |
|
US-2289503-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289503-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2289564.pdf | 604 kB | Shaun Ewing | Jul 14, 1942 00:00 |
|
US-2289564-A // Phase modulating system // Wrathall Leishman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 604 kB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289564-A // Phase modulating system // Wrathall Leishman R. // Bell Telephone Labor Inc | ||||
| PDF File 2289746.pdf | 860 kB | Shaun Ewing | Jul 14, 1942 00:00 |
|
US-2289746-A // Teletypewriter "answer back" circuit // Bacon Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 860 kB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289746-A // Teletypewriter "answer back" circuit // Bacon Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2289830.pdf | 773 kB | Shaun Ewing | Jul 14, 1942 00:00 |
|
US-2289830-A // Circuit closing device // Ellwood Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 773 kB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289830-A // Circuit closing device // Ellwood Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2289895.pdf | 3.66 MB | Shaun Ewing | Jul 14, 1942 00:00 |
|
US-2289895-A // Telephone system // Abbott Henry H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.66 MB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289895-A // Telephone system // Abbott Henry H. // Bell Telephone Labor Inc | ||||
| PDF File 2289951.pdf | 437 kB | Shaun Ewing | Jul 14, 1942 00:00 |
|
US-2289951-A // Electron apparatus // Yeutter Clyde S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Jul 14, 1942 00:00 | US-2289951-A // Electron apparatus // Yeutter Clyde S. // Bell Telephone Labor Inc | ||||
| PDF File 2291481.pdf | 1.51 MB | Shaun Ewing | Jul 28, 1942 00:00 |
|
US-2291481-A // Telephone system // Mcdavitt Marcellus B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jul 28, 1942 00:00 | US-2291481-A // Telephone system // Mcdavitt Marcellus B. // Bell Telephone Labor Inc | ||||
| PDF File 2291566.pdf | 390 kB | Shaun Ewing | Jul 28, 1942 00:00 |
|
US-2291566-A // Electrical connecting device // Walsh Edward G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 390 kB | Shaun Ewing | Jul 28, 1942 00:00 | US-2291566-A // Electrical connecting device // Walsh Edward G. // Bell Telephone Labor Inc | ||||
| PDF File 2291615.pdf | 1.02 MB | Shaun Ewing | Aug 04, 1942 00:00 |
|
US-2291615-A // Telephone system // Ferrell Enoch B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Aug 04, 1942 00:00 | US-2291615-A // Telephone system // Ferrell Enoch B. // Bell Telephone Labor Inc | ||||
| PDF File 2292342.pdf | 629 kB | Shaun Ewing | Aug 04, 1942 00:00 |
|
US-2292342-A // Reflecting system for antennas // Schelkunoff Sergei A. ; Sharpless William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Aug 04, 1942 00:00 | US-2292342-A // Reflecting system for antennas // Schelkunoff Sergei A. ; Sharpless William M. // Bell Telephone Labor Inc | ||||
| PDF File 2292358.pdf | 1.32 MB | Shaun Ewing | Aug 11, 1942 00:00 |
|
US-2292358-A // Deep-sea apparatus housing // Bishop Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Aug 11, 1942 00:00 | US-2292358-A // Deep-sea apparatus housing // Bishop Walter M. // Bell Telephone Labor Inc |
