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 1972326.pdf | 697 kB | Shaun Ewing | Sept 04, 1934 00:00 |
|
US-1972326-A // System for automatically detecting errors in telegraph reception // Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 697 kB | Shaun Ewing | Sept 04, 1934 00:00 | US-1972326-A // System for automatically detecting errors in telegraph reception // Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 2048311.pdf | 696 kB | Shaun Ewing | Jul 21, 1936 00:00 |
|
US-2048311-A // Tape feed for printed strips // Yorke George M. ; Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 696 kB | Shaun Ewing | Jul 21, 1936 00:00 | US-2048311-A // Tape feed for printed strips // Yorke George M. ; Dirkes Robert F. // Western Union Telegraph Co | ||||
| PDF File 2294148.pdf | 695 kB | Shaun Ewing | Aug 25, 1942 00:00 |
|
US-2294148-A // Method of and means for recording signals // Kline Bernard L. ; Rudd Maurice A. // Western Union Telegraph Co | |||
| Version 1 (current) | 695 kB | Shaun Ewing | Aug 25, 1942 00:00 | US-2294148-A // Method of and means for recording signals // Kline Bernard L. ; Rudd Maurice A. // Western Union Telegraph Co | ||||
| PDF File 2299895.pdf | 694 kB | Shaun Ewing | Oct 27, 1942 00:00 |
|
US-2299895-A // Friction testing machine // Harrall Edwin R. ; Reis John P. // Western Union Telegraph Co | |||
| Version 1 (current) | 694 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2299895-A // Friction testing machine // Harrall Edwin R. ; Reis John P. // Western Union Telegraph Co | ||||
| PDF File 1836575.pdf | 693 kB | Shaun Ewing | Dec 15, 1931 00:00 |
|
US-1836575-A // Method of neutralizing disturbing frequencies in communication circuits // Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836575-A // Method of neutralizing disturbing frequencies in communication circuits // Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 2341935.pdf | 692 kB | Shaun Ewing | Feb 15, 1944 00:00 |
|
US-2341935-A // Telegraph apparatus // Maus Frank J. ; Rothermel Samuel W. // Western Union Telegraph Co | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Feb 15, 1944 00:00 | US-2341935-A // Telegraph apparatus // Maus Frank J. ; Rothermel Samuel W. // Western Union Telegraph Co | ||||
| PDF File 1738427.pdf | 692 kB | Shaun Ewing | Dec 03, 1929 00:00 |
|
US-1738427-A // Conveyer system // Griffith Francis ; Birkmeyer Paul J. ; Life Harold G. // Western Union Telegraph Co | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738427-A // Conveyer system // Griffith Francis ; Birkmeyer Paul J. ; Life Harold G. // Western Union Telegraph Co | ||||
| PDF File 2078902.pdf | 691 kB | Shaun Ewing | Apr 27, 1937 00:00 |
|
US-2078902-A // Call box // Demonet Eugene A. // Western Union Telegraph Co | |||
| Version 1 (current) | 691 kB | Shaun Ewing | Apr 27, 1937 00:00 | US-2078902-A // Call box // Demonet Eugene A. // Western Union Telegraph Co | ||||
| PDF File 1790150.pdf | 691 kB | Shaun Ewing | Jan 27, 1931 00:00 |
|
US-1790150-A // Means of phasing // Hoover Ray ; Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 691 kB | Shaun Ewing | Jan 27, 1931 00:00 | US-1790150-A // Means of phasing // Hoover Ray ; Dirkes Robert F. // Western Union Telegraph Co | ||||
| PDF File 1704389.pdf | 689 kB | Shaun Ewing | Mar 05, 1929 00:00 |
|
US-1704389-A // Messenger call box // Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 689 kB | Shaun Ewing | Mar 05, 1929 00:00 | US-1704389-A // Messenger call box // Janson George W. // Western Union Telegraph Co | ||||
| PDF File 2198781.pdf | 686 kB | Shaun Ewing | Apr 30, 1940 00:00 |
|
US-2198781-A // Reverse current switch // Mample Adolph Z. // Western Union Telegraph Co | |||
| Version 1 (current) | 686 kB | Shaun Ewing | Apr 30, 1940 00:00 | US-2198781-A // Reverse current switch // Mample Adolph Z. // Western Union Telegraph Co | ||||
| PDF File 2145786.pdf | 685 kB | Shaun Ewing | Jan 31, 1939 00:00 |
|
US-2145786-A // Conveyer belt // Birkmeyer Paul J. // Western Union Telegraph Co | |||
| Version 1 (current) | 685 kB | Shaun Ewing | Jan 31, 1939 00:00 | US-2145786-A // Conveyer belt // Birkmeyer Paul J. // Western Union Telegraph Co | ||||
| PDF File 2205430.pdf | 684 kB | Shaun Ewing | Jun 25, 1940 00:00 |
|
US-2205430-A // Printing telegraph apparatus // Noxon Paul A. ; Mitchell James I. // Western Union Telegraph Co | |||
| Version 1 (current) | 684 kB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205430-A // Printing telegraph apparatus // Noxon Paul A. ; Mitchell James I. // Western Union Telegraph Co | ||||
| PDF File 583418.pdf | 684 kB | Shaun Ewing | May 25, 1897 00:00 |
|
US-583418-A // Telegraphy // Oliver R. Roberson, Op New Jersey // Western Union Telegraph Co, Op New York. | |||
| Version 1 (current) | 684 kB | Shaun Ewing | May 25, 1897 00:00 | US-583418-A // Telegraphy // Oliver R. Roberson, Op New Jersey // Western Union Telegraph Co, Op New York. | ||||
| PDF File 1973041.pdf | 682 kB | Shaun Ewing | Sept 11, 1934 00:00 |
|
US-1973041-A // Drag conveyer and belt // Birkmeyer Paul J. // Western Union Telegraph Co | |||
| Version 1 (current) | 682 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973041-A // Drag conveyer and belt // Birkmeyer Paul J. // Western Union Telegraph Co | ||||
| PDF File 1881458.pdf | 681 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881458-A // Telegraph receiving or repeating circuit // Frost Albert E. // Western Union Telegraph Co | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881458-A // Telegraph receiving or repeating circuit // Frost Albert E. // Western Union Telegraph Co | ||||
| PDF File 1969440.pdf | 678 kB | Shaun Ewing | Aug 07, 1934 00:00 |
|
US-1969440-A // Telegraph recording and projecting system // Wheeler Evan R. ; Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 678 kB | Shaun Ewing | Aug 07, 1934 00:00 | US-1969440-A // Telegraph recording and projecting system // Wheeler Evan R. ; Dirkes Robert F. // Western Union Telegraph Co | ||||
| PDF File 1254829.pdf | 677 kB | Shaun Ewing | Jan 29, 1918 00:00 |
|
US-1254829-A // Means for compensating for disturbances of earth potential. // Joseph W. Milnor // Western Union Telegraph Co | |||
| Version 1 (current) | 677 kB | Shaun Ewing | Jan 29, 1918 00:00 | US-1254829-A // Means for compensating for disturbances of earth potential. // Joseph W. Milnor // Western Union Telegraph Co | ||||
| PDF File 1657384.pdf | 676 kB | Shaun Ewing | Jan 24, 1928 00:00 |
|
US-1657384-A // Telegraph system // Foster Lee R. // Western Union Telegraph Co | |||
| Version 1 (current) | 676 kB | Shaun Ewing | Jan 24, 1928 00:00 | US-1657384-A // Telegraph system // Foster Lee R. // Western Union Telegraph Co | ||||
| PDF File 1969692.pdf | 675 kB | Shaun Ewing | Aug 07, 1934 00:00 |
|
US-1969692-A // Telegraph printing system // Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 675 kB | Shaun Ewing | Aug 07, 1934 00:00 | US-1969692-A // Telegraph printing system // Dirkes Robert F. // Western Union Telegraph Co |