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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1048639.pdf | 867 kB | Shaun Ewing | Dec 31, 1912 00:00 |
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US-1048639-A // Telegraph system. // William E. Athearn // Western Union Telegraph Co | |||
| Version 1 (current) | 867 kB | Shaun Ewing | Dec 31, 1912 00:00 | US-1048639-A // Telegraph system. // William E. Athearn // Western Union Telegraph Co | ||||
| PDF File 1090907.pdf | 527 kB | Shaun Ewing | Mar 24, 1914 00:00 |
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US-1090907-A // Pneumatic-despatch-tube system. // Fernand E. D'Humy // Western Union Telegraph Co | |||
| Version 1 (current) | 527 kB | Shaun Ewing | Mar 24, 1914 00:00 | US-1090907-A // Pneumatic-despatch-tube system. // Fernand E. D'Humy // Western Union Telegraph Co | ||||
| PDF File 1092982.pdf | 592 kB | Shaun Ewing | Apr 14, 1914 00:00 |
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US-1092982-A // Pneumatic transmission system. // Fernand E. D'Humy // Western Union Telegraph Co | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Apr 14, 1914 00:00 | US-1092982-A // Pneumatic transmission system. // Fernand E. D'Humy // Western Union Telegraph Co | ||||
| PDF File 1114904.pdf | 1.66 MB | Shaun Ewing | Oct 27, 1914 00:00 |
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US-1114904-A // Printer for printing-telegraph systems. // Donald Murray // Western Union Telegraph Co | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Oct 27, 1914 00:00 | US-1114904-A // Printer for printing-telegraph systems. // Donald Murray // Western Union Telegraph Co | ||||
| PDF File 1114905.pdf | 2.13 MB | Shaun Ewing | Oct 27, 1914 00:00 |
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US-1114905-A // Printing-telegraph system. // Donald Murray // Western Union Telegraph Co | |||
| Version 1 (current) | 2.13 MB | Shaun Ewing | Oct 27, 1914 00:00 | US-1114905-A // Printing-telegraph system. // Donald Murray // Western Union Telegraph Co | ||||
| PDF File 1160097.pdf | 724 kB | Shaun Ewing | Nov 09, 1915 00:00 |
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US-1160097-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Nov 09, 1915 00:00 | US-1160097-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co | ||||
| PDF File 1164069.pdf | 551 kB | Shaun Ewing | Dec 14, 1915 00:00 |
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US-1164069-A // Call-box. // Allison A. Clokey // Western Union Telegraph Co | |||
| Version 1 (current) | 551 kB | Shaun Ewing | Dec 14, 1915 00:00 | US-1164069-A // Call-box. // Allison A. Clokey // Western Union Telegraph Co | ||||
| PDF File 1164273.pdf | 1.07 MB | Shaun Ewing | Jun 11, 2026 20:40 |
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| Version 2 (current) | 1.07 MB | Shaun Ewing | Jun 11, 2026 20:40 | |||||
| PDF File 1164274.pdf | 868 kB | Shaun Ewing | Dec 14, 1915 00:00 |
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US-1164274-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co | |||
| Version 1 (current) | 868 kB | Shaun Ewing | Dec 14, 1915 00:00 | US-1164274-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co | ||||
| PDF File 1170556.pdf | 1.18 MB | Shaun Ewing | Feb 08, 1916 00:00 |
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US-1170556-A // Keyboard apparatus. // Donald Murray // Western Union Telegraph Co | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Feb 08, 1916 00:00 | US-1170556-A // Keyboard apparatus. // Donald Murray // Western Union Telegraph Co | ||||
| PDF File 1174029.pdf | 325 kB | Shaun Ewing | Feb 29, 1916 00:00 |
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US-1174029-A // Telegraphy. // William Finn // Western Union Telegraph Co | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Feb 29, 1916 00:00 | US-1174029-A // Telegraphy. // William Finn // Western Union Telegraph Co | ||||
| PDF File 1191933.pdf | 718 kB | Shaun Ewing | Jul 18, 1916 00:00 |
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US-1191933-A // Means for synchronizing rotary devices. // George M. Yorke ; George R. Benjamin // Western Union Telegraph Co | |||
| Version 1 (current) | 718 kB | Shaun Ewing | Jul 18, 1916 00:00 | US-1191933-A // Means for synchronizing rotary devices. // George M. Yorke ; George R. Benjamin // Western Union Telegraph Co | ||||
| PDF File 1196335.pdf | 1.19 MB | Shaun Ewing | Aug 29, 1916 00:00 |
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US-1196335-A // Recorder. // Allison A. Clokey // Western Union Telegraph Co | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Aug 29, 1916 00:00 | US-1196335-A // Recorder. // Allison A. Clokey // Western Union Telegraph Co | ||||
| PDF File 1215604.pdf | 1.29 MB | Shaun Ewing | Feb 13, 1917 00:00 |
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US-1215604-A // Automatic printer. // George M. Yorke // Western Union Telegraph Co | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Feb 13, 1917 00:00 | US-1215604-A // Automatic printer. // George M. Yorke // Western Union Telegraph Co | ||||
| PDF File 1215605.pdf | 1.05 MB | Shaun Ewing | Feb 13, 1917 00:00 |
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US-1215605-A // Means for synchronizing rotary devices. // George M. Yorke ; George R. Benjamin // Western Union Telegraph Co | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Feb 13, 1917 00:00 | US-1215605-A // Means for synchronizing rotary devices. // George M. Yorke ; George R. Benjamin // Western Union Telegraph Co | ||||
| PDF File 1224359.pdf | 260 kB | Shaun Ewing | May 01, 1917 00:00 |
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US-1224359-A // Contact arrangement for call-boxes and other transmitters. // Allison A. Clokey // Western Union Telegraph Co | |||
| Version 1 (current) | 260 kB | Shaun Ewing | May 01, 1917 00:00 | US-1224359-A // Contact arrangement for call-boxes and other transmitters. // Allison A. Clokey // Western Union Telegraph Co | ||||
| PDF File 1225346.pdf | 203 kB | Shaun Ewing | May 08, 1917 00:00 |
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US-1225346-A // Gravity-battery electrode. // Patrick T. Macnamara // Western Union Telegraph Co | |||
| Version 1 (current) | 203 kB | Shaun Ewing | May 08, 1917 00:00 | US-1225346-A // Gravity-battery electrode. // Patrick T. Macnamara // Western Union Telegraph Co | ||||
| PDF File 1253889.pdf | 738 kB | Shaun Ewing | Jan 15, 1918 00:00 |
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US-1253889-A // Mechanical phase-corrector for multiplex-telegraph distributers. // Samuel W. Rothermel // Western Union Telegraph Co | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Jan 15, 1918 00:00 | US-1253889-A // Mechanical phase-corrector for multiplex-telegraph distributers. // Samuel W. Rothermel // Western Union Telegraph Co | ||||
| PDF File 1254828.pdf | 809 kB | Shaun Ewing | Jan 29, 1918 00:00 |
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US-1254828-A // Method of and means for compensating for disturbances of earth potential. // Joseph W. Milnor // Western Union Telegraph Co | |||
| Version 1 (current) | 809 kB | Shaun Ewing | Jan 29, 1918 00:00 | US-1254828-A // Method of and means for compensating for disturbances of earth potential. // Joseph W. Milnor // Western Union Telegraph Co | ||||
| PDF File 1254829.pdf | 677 kB | Shaun Ewing | Jan 29, 1918 00:00 |
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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 |
