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| All Patents in class 74/163 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 11,123 | Jun. 20, 1854 | C.S. Harris | Improvement in producing continuous circular from reciprocating rectilinear motion | |
 | 2,290,197 | Jul. 21, 1942 | C.D. Burbank, H.H. Merriman | Wrench | |