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Patents for High Speed Hammer Co. Inc.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,460,424Jul. 03, 1923P.H. LeckingerRiveting Hammerrivet making machines
1,862,431Jun. 07, 1932W.A. RockenfieldHelve Operated Hammer
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