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All Patents in class 222/199
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
246,392Aug. 30, 1881F.A. HuntingtonOre-feeder for crushing-millsore processing apparatus
392,562Nov. 06, 1888F.A. HuntingtonOre-feederore processing apparatus
1,551,810Sep. 01, 1925E.R. DraverFeeder and oscillating agitator
2,353,990Jul. 18, 1944T.A. BlairTamping Devicerailroad track maintenance tools
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