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| Patents for C. M. Clarke | |||||
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| Number | Date | Patentee | Title | Type | |
| 283,157 | Aug. 14, 1883 | A. Smith | Band-saw mill | band sawmills | |
| 592,162 | Oct. 19, 1897 | H.H. McKelvey | Wrench | quick adjust wrenches | |
| 722,695 | Mar. 17, 1903 | C.B. Gracey | Ratchet-Wrench | ratchet wrenches | |
| 768,220 | Aug. 23, 1904 | C.B. Gracey | Ratchet Wrench | ratchet wrenches | |
| 1,000,835 | Aug. 15, 1911 | A.L. Smith, S.A. Minnick | Calipers | calipers | |
| 1,179,142 | Apr. 11, 1916 | B.F. Shaughnessy | Gaging Instrument | rule attachments | |