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| Patents for Charles M. Stevenson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 148,335 | Mar. 10, 1874 | C.M. Stevenson | Improvement in lathes for making wooden screws | |
 | 333,690 | Jan. 05, 1886 | C.M. Stevenson | Beading tool | |