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| Patents Granted on 1851-02-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,937 | Feb. 18, 1851 | P.S. Beers | Machine for turning irregular forms | pattern lathes | |
| 7,938 | Feb. 18, 1851 | J.A. Fry | Wooden Combination Plane | combination planes | |
| 7,942 | Feb. 18, 1851 | D.H. Southworth | Planing-machine | wood planers | |
| 7,943 | Feb. 18, 1851 | I. Straub | Improvement in sawmills | reciprocating sawmills | |