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All Patents in class 241/209
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
341,900May 18, 1886P.W. GatesStone Breaker and Ore Crusherore processing apparatus
525,443Sep. 04, 1894P.W. Gates, E.E. Hanna, C.L. CarmanGyrating crusherore processing apparatus
616,659Dec. 27, 1898T.W. Capen, P.W. GatesRock or Ore Breakerore processing apparatus
1,507,970Sep. 09, 1924A.A. LazierOre Crusherore processing apparatus
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