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All Patents in class 172/483 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 7,943 | Feb. 18, 1851 | I. Straub | Improvement in sawmills | |
160,760 | Mar. 16, 1875 | J. Fogarty | Steam Plow | ||
![]() | 359,125 | Mar. 08, 1887 | J.G. Cockshutt, E.H. Bond | Riding-plow |