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Patents Granted on 1878-03-12
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE8,115Mar. 12, 1878H.S. BartholomewImprovement in Bit-Stocksbrace chucks
201,178Mar. 12, 1878J.F. HaskinsDevice for Transmitting Powerindustrial machine pulleys and belt drive mechanisms
201,197Mar. 12, 1878C.T. PorterImprovement in journal-boxessteam engines
201,198Mar. 12, 1878S.P. RandolphImprovement in gang-edgerscircular ripsaws
201,199Mar. 12, 1878A.S. RichardsImprovement in saw-mill head-blockssawmill headblocks
201,252Mar. 12, 1878W. KingImprovement in ornamenting woodwood compressing machines
201,271Mar. 12, 1878J.A. MillerImprovement in saw-sharpening machinessaw sharpening machines
201,276Mar. 12, 1878J. MorssImprovement in Spirit Level and Plumbwooden levels
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