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All Patents in class 193/44
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
218,714Aug. 19, 1879C.G. CooperTraction Enginesteam traction engines
221,266Nov. 04, 1879M.D. Harter, Executor, J. Allonas, deceased (Estate of)Portable Engineportable steam engines
593,157Nov. 02, 1897Z.T. FurbishRatchet mechanismspiral screwdrivers
894,673Jul. 28, 1908G.O. LeopoldRatchet mechanismratcheting screwdrivers
2,544,795Mar. 13, 1951R.G. KnudsenReversible Ratchet Mechanismratchet wrenches
2,649,032Aug. 18, 1953A.D. MoncrieffDevice for Gravity Feed of Gears to Gear Shaving Toolsworkpiece changers and storage mechanisms
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