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| Patents for Charles E. Clark | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 117,987 | Aug. 15, 1871 | T.L. Cornell, S. Whitlock | Improvement in scroll-saws | |
 | 121,373 | Nov. 28, 1871 | S. Ide | Improvement in scroll-saw guides | |
 | 134,735 | Jan. 14, 1873 | T.L. Cornell | Improvement in bracelets | |
 | 285,969 | Oct. 02, 1883 | C.E. Clark | Saw-mill dog | |
 | 298,293 | May 06, 1884 | W.H. Dalby | Saw-guard | |
 | 351,165 | Oct. 19, 1886 | C.E. Clark | Feed mechanism for saw-mill carriages | |
 | 374,752 | Dec. 13, 1887 | G.M. Pelton | Valve-gear | |