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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1749735.pdf | 1.38 MB | Shaun Ewing | Mar 04, 1930 00:00 |
|
US-1749735-A // Multiplex telegraph system // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749735-A // Multiplex telegraph system // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 2469423.pdf | 1.36 MB | Shaun Ewing | May 10, 1949 00:00 |
|
US-2469423-A // Facsimile apparatus // Wise Raleigh J. ; Parrott Robert D. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | May 10, 1949 00:00 | US-2469423-A // Facsimile apparatus // Wise Raleigh J. ; Parrott Robert D. // Western Union Telegraph Co | ||||
| PDF File 2056452.pdf | 1.36 MB | Shaun Ewing | Oct 06, 1936 00:00 |
|
US-2056452-A // Printing quotation board // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | Oct 06, 1936 00:00 | US-2056452-A // Printing quotation board // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 2403472.pdf | 1.35 MB | Shaun Ewing | Jul 09, 1946 00:00 |
|
US-2403472-A // Apparatus for recording electrical signals // Anderson James N. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jul 09, 1946 00:00 | US-2403472-A // Apparatus for recording electrical signals // Anderson James N. // Western Union Telegraph Co | ||||
| PDF File 2165780.pdf | 1.35 MB | Shaun Ewing | Jul 11, 1939 00:00 |
|
US-2165780-A // Telegraph exchange system // Blanton William B. ; White Roy B. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165780-A // Telegraph exchange system // Blanton William B. ; White Roy B. // Western Union Telegraph Co | ||||
| PDF File 1811824.pdf | 1.35 MB | Shaun Ewing | Jun 23, 1931 00:00 |
|
US-1811824-A // Vacuum tube repeater and terminal set for superposed telegraph systems // Morgenstern Ronald V. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jun 23, 1931 00:00 | US-1811824-A // Vacuum tube repeater and terminal set for superposed telegraph systems // Morgenstern Ronald V. // Western Union Telegraph Co | ||||
| PDF File 1936947.pdf | 1.35 MB | Shaun Ewing | Nov 28, 1933 00:00 |
|
US-1936947-A // Telegraph system // Morgenstern Ronald V. ; Hackenberg John H. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Nov 28, 1933 00:00 | US-1936947-A // Telegraph system // Morgenstern Ronald V. ; Hackenberg John H. // Western Union Telegraph Co | ||||
| PDF File 2516860.pdf | 1.34 MB | Shaun Ewing | Aug 01, 1950 00:00 |
|
US-2516860-A // Telegraph signal distortion indicating device // Eriekson George L. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Aug 01, 1950 00:00 | US-2516860-A // Telegraph signal distortion indicating device // Eriekson George L. // Western Union Telegraph Co | ||||
| PDF File 1880906.pdf | 1.34 MB | Shaun Ewing | Oct 04, 1932 00:00 |
|
US-1880906-A // Multiplex extended channel system // Duerr Karl B. ; Broyles Harmon E. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880906-A // Multiplex extended channel system // Duerr Karl B. ; Broyles Harmon E. // Western Union Telegraph Co | ||||
| PDF File 2291369.pdf | 1.34 MB | Shaun Ewing | Jul 28, 1942 00:00 |
|
US-2291369-A // Polar carrier telegraph system // Boughtwood John E. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Jul 28, 1942 00:00 | US-2291369-A // Polar carrier telegraph system // Boughtwood John E. // Western Union Telegraph Co | ||||
| PDF File 2103761.pdf | 1.34 MB | Shaun Ewing | Dec 28, 1937 00:00 |
|
US-2103761-A // Selecting system // Wheeler Evan R. ; Sortore Emerson J. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103761-A // Selecting system // Wheeler Evan R. ; Sortore Emerson J. // Western Union Telegraph Co | ||||
| PDF File 2153858.pdf | 1.32 MB | Shaun Ewing | Apr 11, 1939 00:00 |
|
US-2153858-A // Telegraphic transmission of intelligence // Wise Raleigh J. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Apr 11, 1939 00:00 | US-2153858-A // Telegraphic transmission of intelligence // Wise Raleigh J. // Western Union Telegraph Co | ||||
| PDF File 1913307.pdf | 1.32 MB | Shaun Ewing | Jun 06, 1933 00:00 |
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US-1913307-A // Telegraph system adapted for ocean cable telegraphy // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Jun 06, 1933 00:00 | US-1913307-A // Telegraph system adapted for ocean cable telegraphy // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1954621.pdf | 1.32 MB | Shaun Ewing | Apr 10, 1934 00:00 |
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US-1954621-A // Telegraph transmitting system // Dirkes Robert F. ; Kimball Vernon R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | Apr 10, 1934 00:00 | US-1954621-A // Telegraph transmitting system // Dirkes Robert F. ; Kimball Vernon R. // Western Union Telegraph Co | ||||
| PDF File 1804302.pdf | 1.32 MB | Shaun Ewing | May 05, 1931 00:00 |
|
US-1804302-A // High speed fork regenerating repeater for telegraph systems // Angel Herbert ; Robinson James W. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.32 MB | Shaun Ewing | May 05, 1931 00:00 | US-1804302-A // High speed fork regenerating repeater for telegraph systems // Angel Herbert ; Robinson James W. // Western Union Telegraph Co | ||||
| PDF File 1856985.pdf | 1.31 MB | Shaun Ewing | May 03, 1932 00:00 |
|
US-1856985-A // Regenerative repeater for start-stop systems of automatic telegraphy // Dirkes Robert F. ; Jr. James N. Anderson, // Western Union Telegraph Co | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | May 03, 1932 00:00 | US-1856985-A // Regenerative repeater for start-stop systems of automatic telegraphy // Dirkes Robert F. ; Jr. James N. Anderson, // Western Union Telegraph Co | ||||
| PDF File 2186895.pdf | 1.30 MB | Shaun Ewing | Jan 09, 1940 00:00 |
|
US-2186895-A // Telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jan 09, 1940 00:00 | US-2186895-A // Telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | ||||
| PDF File 2128671.pdf | 1.29 MB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128671-A // System of selector control for carrier conveyers // Jr. Adam Drenkard, // Western Union Telegraph Co | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128671-A // System of selector control for carrier conveyers // Jr. Adam Drenkard, // Western Union Telegraph Co | ||||
| PDF File 1933526.pdf | 1.29 MB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1933526-A // System for testing clock setting circuits // Janson George W. ; Callahan William F. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 31, 1933 00:00 | US-1933526-A // System for testing clock setting circuits // Janson George W. ; Callahan William F. // Western Union Telegraph Co | ||||
| PDF File 1931790.pdf | 1.29 MB | Shaun Ewing | Oct 24, 1933 00:00 |
|
US-1931790-A // Receiving recorder // Dirkes Robert F. ; Kimball Vernon R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931790-A // Receiving recorder // Dirkes Robert F. ; Kimball Vernon R. // Western Union Telegraph Co |
