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All Patents in class 74/414
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
54,589May 08, 1866S.W. Palmer, J.F. PalmerImprovement in gearingindustrial machine gearing
134,237Dec. 24, 1872C.H. AmidonImprovement in drillseggbeater drills
173,467Feb. 15, 1876W. HillImproved Gear-Wrenchtire bolt wrenches
220,144Sep. 30, 1879E. HarringtonImprovement in hoisting-pulley apparatushoists, winches, come-alongs
244,290Jul. 12, 1881J.C. Pennington, E.J. PenningtonReciprocating cylinder-head for planing-machineswood planers
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