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| All Patents in class 74/439 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 79,605 | Jul. 07, 1868 | A. Sibley | Machine Gearing | ||
 | RE7,632 | Apr. 24, 1877 | T.L. Shaw | Improvement in saw filers and setters | |
 | 231,410 | Aug. 24, 1880 | W.H. De Loach | Horse-power | |