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All Patents in class 192/113.36
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
622,160Mar. 28, 1899W.P. NortonFriction Driving Device for Shaping or other Machinesmetal shapers
986,324Mar. 07, 1911J.A. Brown, F.E. SutherlandClutch Mechanismpower hammers
1,988,967Jan. 22, 1935G.W. EmrickClutch devicetapping heads and chucks
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