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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1749738.pdf | 395 kB | Shaun Ewing | Mar 04, 1930 00:00 |
|
US-1749738-A // Automatic stroke-corrector circuit // Finn Alfred J. ; Myer Percy L. // Western Union Telegraph Co | |||
| Version 1 (current) | 395 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749738-A // Automatic stroke-corrector circuit // Finn Alfred J. ; Myer Percy L. // Western Union Telegraph Co | ||||
| 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 1747853.pdf | 715 kB | Shaun Ewing | Feb 18, 1930 00:00 |
|
US-1747853-A // Preventing distorted signals and wandering zero in cable telegraphy // Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747853-A // Preventing distorted signals and wandering zero in cable telegraphy // Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 1747084.pdf | 535 kB | Shaun Ewing | Feb 11, 1930 00:00 |
|
US-1747084-A // Earth-current corrector for cable signals // Ridge Guy H. // Western Union Telegraph Co | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1747084-A // Earth-current corrector for cable signals // Ridge Guy H. // Western Union Telegraph Co | ||||
| PDF File 1745786.pdf | 373 kB | Shaun Ewing | Feb 04, 1930 00:00 |
|
US-1745786-A // Pneumatic dispatch carrier // Jr. Adam Drenkard, // Western Union Telegraph Co | |||
| Version 1 (current) | 373 kB | Shaun Ewing | Feb 04, 1930 00:00 | US-1745786-A // Pneumatic dispatch carrier // Jr. Adam Drenkard, // Western Union Telegraph Co | ||||
| PDF File 1744566.pdf | 589 kB | Shaun Ewing | Jan 21, 1930 00:00 |
|
US-1744566-A // Ground-resistance test set // Mott Everett V. ; Rovere Lewis H. ; Rowland Davidge H. // Western Union Telegraph Co | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Jan 21, 1930 00:00 | US-1744566-A // Ground-resistance test set // Mott Everett V. ; Rovere Lewis H. ; Rowland Davidge H. // Western Union Telegraph Co | ||||
| PDF File 1743000.pdf | 306 kB | Shaun Ewing | Jan 07, 1930 00:00 |
|
US-1743000-A // Desk clip for message blanks // Meader Ralph I. // Western Union Telegraph Co | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Jan 07, 1930 00:00 | US-1743000-A // Desk clip for message blanks // Meader Ralph I. // 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 1735838.pdf | 234 kB | Shaun Ewing | Nov 12, 1929 00:00 |
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US-1735838-A // Remote control of selector apparatus // Stearns Charles F. // Western Union Telegraph Co | |||
| Version 1 (current) | 234 kB | Shaun Ewing | Nov 12, 1929 00:00 | US-1735838-A // Remote control of selector apparatus // Stearns Charles F. // Western Union Telegraph Co | ||||
| PDF File 1733026.pdf | 1.06 MB | Shaun Ewing | Oct 22, 1929 00:00 |
|
US-1733026-A // Automatic selective pneumatic-tube-carrier relay // Mcguinness William V. ; Chulstrom John M. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Oct 22, 1929 00:00 | US-1733026-A // Automatic selective pneumatic-tube-carrier relay // Mcguinness William V. ; Chulstrom John M. // Western Union Telegraph Co | ||||
| PDF File 1729053.pdf | 314 kB | Shaun Ewing | Sept 24, 1929 00:00 |
|
US-1729053-A // Electrical protective device // Rovere Lewis H. ; Mott Everett V. ; Ayers Robert C. // Western Union Telegraph Co | |||
| Version 1 (current) | 314 kB | Shaun Ewing | Sept 24, 1929 00:00 | US-1729053-A // Electrical protective device // Rovere Lewis H. ; Mott Everett V. ; Ayers Robert C. // Western Union Telegraph Co | ||||
| PDF File 1724803.pdf | 748 kB | Shaun Ewing | Aug 13, 1929 00:00 |
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US-1724803-A // Cable telegraphy // Nelson Crescent F. // Western Union Telegraph Co | |||
| Version 1 (current) | 748 kB | Shaun Ewing | Aug 13, 1929 00:00 | US-1724803-A // Cable telegraphy // Nelson Crescent F. // Western Union Telegraph Co | ||||
| PDF File 1722323.pdf | 244 kB | Shaun Ewing | Jul 30, 1929 00:00 |
|
US-1722323-A // Wood preservative // Curtin Leo P. // Western Union Telegraph Co | |||
| Version 1 (current) | 244 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722323-A // Wood preservative // Curtin Leo P. // Western Union Telegraph Co | ||||
| PDF File 1715324.pdf | 187 kB | Shaun Ewing | May 28, 1929 00:00 |
|
US-1715324-A // Tuning fork // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 187 kB | Shaun Ewing | May 28, 1929 00:00 | US-1715324-A // Tuning fork // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1714476.pdf | 549 kB | Shaun Ewing | May 21, 1929 00:00 |
|
US-1714476-A // Neutralizing interfering disturbances in electric circuits // Milnor Joseph W. // Western Union Telegraph Co | |||
| Version 1 (current) | 549 kB | Shaun Ewing | May 21, 1929 00:00 | US-1714476-A // Neutralizing interfering disturbances in electric circuits // Milnor Joseph W. // Western Union Telegraph Co | ||||
| PDF File 1714334.pdf | 566 kB | Shaun Ewing | May 21, 1929 00:00 |
|
US-1714334-A // Selecting mechanism for telegraph type-wheel printers // Wheeler Evan R. ; Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 566 kB | Shaun Ewing | May 21, 1929 00:00 | US-1714334-A // Selecting mechanism for telegraph type-wheel printers // Wheeler Evan R. ; 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 1702204.pdf | 364 kB | Shaun Ewing | Feb 12, 1929 00:00 |
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US-1702204-A // Selective-signaling device for telegraph circuits // Dudley William A. // Western Union Telegraph Co | |||
| Version 1 (current) | 364 kB | Shaun Ewing | Feb 12, 1929 00:00 | US-1702204-A // Selective-signaling device for telegraph circuits // Dudley William A. // Western Union Telegraph Co | ||||
| PDF File 1699444.pdf | 791 kB | Shaun Ewing | Jan 15, 1929 00:00 |
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US-1699444-A // Synchronized quadruplex telegraphy // Peterman William C. // Western Union Telegraph Co | |||
| Version 1 (current) | 791 kB | Shaun Ewing | Jan 15, 1929 00:00 | US-1699444-A // Synchronized quadruplex telegraphy // Peterman William C. // Western Union Telegraph Co | ||||
| PDF File 1699418.pdf | 719 kB | Shaun Ewing | Jan 15, 1929 00:00 |
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US-1699418-A // Telegraph system // Woodward Marion H. // Western Union Telegraph Co | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Jan 15, 1929 00:00 | US-1699418-A // Telegraph system // Woodward Marion H. // Western Union Telegraph Co |
