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 2123228.pdf | 2.04 MB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123228-A // Selector switch // Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.04 MB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123228-A // Selector switch // Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 2123229.pdf | 2.18 MB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123229-A // Selector switch // Carpenter Warren W. ; Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.18 MB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123229-A // Selector switch // Carpenter Warren W. ; Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2123232.pdf | 586 kB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123232-A // Telegraph signal repeater // Cramer Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123232-A // Telegraph signal repeater // Cramer Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 2123236.pdf | 754 kB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123236-A // Crystal holder // Fair Irvin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123236-A // Crystal holder // Fair Irvin E. // Bell Telephone Labor Inc | ||||
| PDF File 2123241.pdf | 752 kB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123241-A // Electric wave amplifier // Harley John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 752 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123241-A // Electric wave amplifier // Harley John B. // Bell Telephone Labor Inc | ||||
| PDF File 2123455.pdf | 140 kB | Shaun Ewing | Jul 12, 1938 00:00 |
|
US-2123455-A // Lead welding // Jr. Upton B. Thomas, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 140 kB | Shaun Ewing | Jul 12, 1938 00:00 | US-2123455-A // Lead welding // Jr. Upton B. Thomas, // Bell Telephone Labor Inc | ||||
| PDF File 2124596.pdf | 1.60 MB | Shaun Ewing | Jul 26, 1938 00:00 |
|
US-2124596-A // Piezoelectric crystal apparatus // Sykes Roger A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.60 MB | Shaun Ewing | Jul 26, 1938 00:00 | US-2124596-A // Piezoelectric crystal apparatus // Sykes Roger A. // Bell Telephone Labor Inc | ||||
| PDF File 2125279.pdf | 416 kB | Shaun Ewing | Aug 02, 1938 00:00 |
|
US-2125279-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125279-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2125280.pdf | 460 kB | Shaun Ewing | Aug 02, 1938 00:00 |
|
US-2125280-A // Electron discharge apparatus // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125280-A // Electron discharge apparatus // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2125315.pdf | 313 kB | Shaun Ewing | Aug 02, 1938 00:00 |
|
US-2125315-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 313 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125315-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2125316.pdf | 444 kB | Shaun Ewing | Aug 02, 1938 00:00 |
|
US-2125316-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125316-A // Method of forming glass to metal seals // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2125317.pdf | 438 kB | Shaun Ewing | Aug 02, 1938 00:00 |
|
US-2125317-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 438 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125317-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2126265.pdf | 1.21 MB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126265-A // Phasing and synchronizing of signaling apparatus // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126265-A // Phasing and synchronizing of signaling apparatus // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2126363.pdf | 1.04 MB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126363-A // Dielectric material // White Addison H. ; Yager William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126363-A // Dielectric material // White Addison H. ; Yager William A. // Bell Telephone Labor Inc | ||||
| PDF File 2126529.pdf | 339 kB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126529-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 339 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126529-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2126530.pdf | 417 kB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126530-A // Signaling system // Black Harold S. ; Tassel Earl K. Van // Bell Telephone Labor Inc | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126530-A // Signaling system // Black Harold S. ; Tassel Earl K. Van // Bell Telephone Labor Inc | ||||
| PDF File 2126535.pdf | 641 kB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126535-A // Teletypewriter system // Corwin Thomas L. ; Swezey Burdette S. ; Watson Edward F. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 641 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126535-A // Teletypewriter system // Corwin Thomas L. ; Swezey Burdette S. ; Watson Edward F. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2126549.pdf | 580 kB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126549-A // Pneumatic ticket distributing system // Hampton Leon N. ; Smith Albert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126549-A // Pneumatic ticket distributing system // Hampton Leon N. ; Smith Albert K. // Bell Telephone Labor Inc | ||||
| PDF File 2126562.pdf | 349 kB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126562-A // Relay // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126562-A // Relay // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2126566.pdf | 1.08 MB | Shaun Ewing | Aug 09, 1938 00:00 |
|
US-2126566-A // Acoustic device // Marshall Robert N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Aug 09, 1938 00:00 | US-2126566-A // Acoustic device // Marshall Robert N. // Bell Telephone Labor Inc |
