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| All Patents in class 83/142 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,444 | Feb. 01, 1842 | S.E. Burnham, R. Cook | Mode of straining saws for sawmills | reciprocating sawmills | |
| 3,408,888 | Nov. 05, 1968 | J.A. Hitt | Shearing apparatus | metal shearing machines | |