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 2258437.pdf | 375 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2258437-A // Gas tube // Badgley Robert H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258437-A // Gas tube // Badgley Robert H. // Bell Telephone Labor Inc | ||||
| PDF File 2258276.pdf | 466 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2258276-A // Apparatus for measuring the elastic properties of materials // Boettler Jacob R. ; Werring Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258276-A // Apparatus for measuring the elastic properties of materials // Boettler Jacob R. ; Werring Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 2258275.pdf | 506 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2258275-A // Repeatered transmission system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258275-A // Repeatered transmission system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2258128.pdf | 1.37 MB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2258128-A // Wave translating system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Oct 07, 1941 00:00 | US-2258128-A // Wave translating system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2257963.pdf | 439 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257963-A // Rod withdrawing tool // Kent Robert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257963-A // Rod withdrawing tool // Kent Robert J. // Bell Telephone Labor Inc | ||||
| PDF File 2257894.pdf | 1022 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257894-A // Telephone system // Jr. Paul Winsor, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1022 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257894-A // Telephone system // Jr. Paul Winsor, // Bell Telephone Labor Inc | ||||
| PDF File 2257882.pdf | 1.17 MB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257882-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257882-A // Telephone system // Lundstrom Alexis A. // Bell Telephone Labor Inc | ||||
| PDF File 2257806.pdf | 958 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257806-A // Echo suppressing circuit // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 958 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257806-A // Echo suppressing circuit // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2257795.pdf | 1.26 MB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257795-A // Electron discharge apparatus and circuits // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257795-A // Electron discharge apparatus and circuits // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2257783.pdf | 930 kB | Shaun Ewing | Oct 07, 1941 00:00 |
|
US-2257783-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 930 kB | Shaun Ewing | Oct 07, 1941 00:00 | US-2257783-A // Guided wave transmission // Bowen Arnold E. // Bell Telephone Labor Inc | ||||
| PDF File 2257568.pdf | 2.20 MB | Shaun Ewing | Sept 30, 1941 00:00 |
|
US-2257568-A // Communication system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.20 MB | Shaun Ewing | Sept 30, 1941 00:00 | US-2257568-A // Communication system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2255596.pdf | 2.05 MB | Shaun Ewing | Sept 09, 1941 00:00 |
|
US-2255596-A // Teletypewriter switching system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.05 MB | Shaun Ewing | Sept 09, 1941 00:00 | US-2255596-A // Teletypewriter switching system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2255595.pdf | 1.55 MB | Shaun Ewing | Sept 09, 1941 00:00 |
|
US-2255595-A // Signaling system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.55 MB | Shaun Ewing | Sept 09, 1941 00:00 | US-2255595-A // Signaling system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2254852.pdf | 424 kB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254852-A // Oscillation generator // Miller Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254852-A // Oscillation generator // Miller Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 2254733.pdf | 764 kB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254733-A // Control of two-way telephone systems // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254733-A // Control of two-way telephone systems // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2254723.pdf | 646 kB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254723-A // Subscriber line circuit // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 646 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254723-A // Subscriber line circuit // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 2254614.pdf | 1.48 MB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254614-A // Electro-optical scanning system // Mattke Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254614-A // Electro-optical scanning system // Mattke Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2254601.pdf | 1.56 MB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254601-A // Automatic measuring of cross talk // Jr. Edwin P. Felch, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254601-A // Automatic measuring of cross talk // Jr. Edwin P. Felch, // Bell Telephone Labor Inc | ||||
| PDF File 2254589.pdf | 1.26 MB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254589-A // Pulse delay relay // Aamodt Thoralf // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254589-A // Pulse delay relay // Aamodt Thoralf // Bell Telephone Labor Inc | ||||
| PDF File 2254378.pdf | 472 kB | Shaun Ewing | Sept 02, 1941 00:00 |
|
US-2254378-A // Telephone system // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 472 kB | Shaun Ewing | Sept 02, 1941 00:00 | US-2254378-A // Telephone system // Mallina Rudolph F. // Bell Telephone Labor Inc |