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