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All Patents in class 91/207
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
649,357May 08, 1900W.H. RidgwayHoisting apparatushoists, winches, come-alongs
1,268,270Jun. 04, 1918R.W. NazelFluid-power hammerdrop hammers
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