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 2058170.pdf | 433 kB | Shaun Ewing | Oct 20, 1936 00:00 |
|
US-2058170-A // Marginal control of gas-filled tubes // Morehouse Lyman F. ; Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Oct 20, 1936 00:00 | US-2058170-A // Marginal control of gas-filled tubes // Morehouse Lyman F. ; Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1963198.pdf | 433 kB | Shaun Ewing | Jun 19, 1934 00:00 |
|
US-1963198-A // Transmission regulator circuits // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Jun 19, 1934 00:00 | US-1963198-A // Transmission regulator circuits // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 2208192.pdf | 432 kB | Shaun Ewing | Jul 16, 1940 00:00 |
|
US-2208192-A // Teletypewriter system // Martin Wade B. // American Telephone & Telegraph | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208192-A // Teletypewriter system // Martin Wade B. // American Telephone & Telegraph | ||||
| PDF File 2033242.pdf | 431 kB | Shaun Ewing | Mar 10, 1936 00:00 |
|
US-2033242-A // Mechanical repeater circuits // Hubbard Francis A. // American Telephone & Telegraph | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Mar 10, 1936 00:00 | US-2033242-A // Mechanical repeater circuits // Hubbard Francis A. // American Telephone & Telegraph | ||||
| PDF File 2096143.pdf | 431 kB | Shaun Ewing | Oct 19, 1937 00:00 |
|
US-2096143-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096143-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 1926144.pdf | 430 kB | Shaun Ewing | Sept 12, 1933 00:00 |
|
US-1926144-A // Time controlled apparatus // Edwards Whliam H. ; Green Irving W. // American Telephone & Telegraph | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Sept 12, 1933 00:00 | US-1926144-A // Time controlled apparatus // Edwards Whliam H. ; Green Irving W. // American Telephone & Telegraph | ||||
| PDF File 2068293.pdf | 429 kB | Shaun Ewing | Jan 19, 1937 00:00 |
|
US-2068293-A // Means for producing time lag in electrical circuits // Ilgenfritz Lester M. // American Telephone & Telegraph | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Jan 19, 1937 00:00 | US-2068293-A // Means for producing time lag in electrical circuits // Ilgenfritz Lester M. // American Telephone & Telegraph | ||||
| PDF File 2063187.pdf | 429 kB | Shaun Ewing | Dec 08, 1936 00:00 |
|
US-2063187-A // Method of cable maintenance // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 429 kB | Shaun Ewing | Dec 08, 1936 00:00 | US-2063187-A // Method of cable maintenance // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1979414.pdf | 427 kB | Shaun Ewing | Nov 06, 1934 00:00 |
|
US-1979414-A // Differential mechanism // Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Nov 06, 1934 00:00 | US-1979414-A // Differential mechanism // Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 2138963.pdf | 427 kB | Shaun Ewing | Dec 06, 1938 00:00 |
|
US-2138963-A // Level compensator for telegraph systems // Gannett Danforth King // American Telephone & Telegraph | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2138963-A // Level compensator for telegraph systems // Gannett Danforth King // American Telephone & Telegraph | ||||
| PDF File 1975203.pdf | 426 kB | Shaun Ewing | Oct 02, 1934 00:00 |
|
US-1975203-A // Printing telegraph system // Fay Frank H. ; Bacon Walter M. // American Telephone & Telegraph | |||
| Version 1 (current) | 426 kB | Shaun Ewing | Oct 02, 1934 00:00 | US-1975203-A // Printing telegraph system // Fay Frank H. ; Bacon Walter M. // American Telephone & Telegraph | ||||
| PDF File 1937641.pdf | 426 kB | Shaun Ewing | Dec 05, 1933 00:00 |
|
US-1937641-A // Multiway connection for signaling circuits // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 426 kB | Shaun Ewing | Dec 05, 1933 00:00 | US-1937641-A // Multiway connection for signaling circuits // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1950541.pdf | 426 kB | Shaun Ewing | Mar 13, 1934 00:00 |
|
US-1950541-A // Carrier frequency receiving circuits // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 426 kB | Shaun Ewing | Mar 13, 1934 00:00 | US-1950541-A // Carrier frequency receiving circuits // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 2028278.pdf | 425 kB | Shaun Ewing | Jan 21, 1936 00:00 |
|
US-2028278-A // Vacuum tube testing system // Gannett Danforth King ; Heights Jackson ; Lewis Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028278-A // Vacuum tube testing system // Gannett Danforth King ; Heights Jackson ; Lewis Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 2067320.pdf | 425 kB | Shaun Ewing | Jan 12, 1937 00:00 |
|
US-2067320-A // Measuring system for program circuit maintenance // Hamilton Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Jan 12, 1937 00:00 | US-2067320-A // Measuring system for program circuit maintenance // Hamilton Harold S. // American Telephone & Telegraph | ||||
| PDF File 2083645.pdf | 425 kB | Shaun Ewing | Jun 15, 1937 00:00 |
|
US-2083645-A // Transmission system // Fracassi Renato Dario // American Telephone & Telegraph | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Jun 15, 1937 00:00 | US-2083645-A // Transmission system // Fracassi Renato Dario // American Telephone & Telegraph | ||||
| PDF File 2022790.pdf | 424 kB | Shaun Ewing | Dec 03, 1935 00:00 |
|
US-2022790-A // Frequency indicating system // Sturdy William Werner // American Telephone & Telegraph | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Dec 03, 1935 00:00 | US-2022790-A // Frequency indicating system // Sturdy William Werner // American Telephone & Telegraph | ||||
| PDF File 1931598.pdf | 424 kB | Shaun Ewing | Oct 24, 1933 00:00 |
|
US-1931598-A // Pilot wire regulator system // Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931598-A // Pilot wire regulator system // Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 2070732.pdf | 424 kB | Shaun Ewing | Feb 16, 1937 00:00 |
|
US-2070732-A // Radio receiving system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Feb 16, 1937 00:00 | US-2070732-A // Radio receiving system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1871886.pdf | 423 kB | Shaun Ewing | Aug 16, 1932 00:00 |
|
US-1871886-A // Sound measuring system // Inglis Alfred H. ; Jr. Walter D. Goodale, ; Dietze Eginhard // American Telephone & Telegraph | |||
| Version 1 (current) | 423 kB | Shaun Ewing | Aug 16, 1932 00:00 | US-1871886-A // Sound measuring system // Inglis Alfred H. ; Jr. Walter D. Goodale, ; Dietze Eginhard // American Telephone & Telegraph |
