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Patents for C. A. Durgin
Patents 1 - 8 of 8
First set of recordsLast set of records
RE2,899Mar. 17, 1868W. McDonaldImproved Machine for Mitering Printers' Rulesprinter
92,050Jun. 29, 1869R.M. Hoe, S.D. TuckerImprovement in printing-presses
RE4,096Aug. 09, 1870J.H. TuttleImprovement in Sawscrosscut saws
RE4,429Jun. 20, 1871R.M. HoeImprovement in feeding paper to printing-presses
RE5,209Dec. 31, 1872D. LaneImprovement in head-blocks for saw-millssawmill headblocks
RE5,303Mar. 04, 1873L.C. PatterImprovement in circular-saw millssawmills
155,364Sep. 29, 1874L.M. CollinsImprovement in planing-machineswood planers
RE6,212Jan. 05, 1875C.B. RoseImprovement in bit-stocksbraces
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