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All Patents in class 409/307
Patents 31 - 33 of 33
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
2,532,591Dec. 05, 1950J.B. ArmitageSlotting Machinemilling machine accessories
2,786,397Mar. 26, 1957W.P. McIlvanieKeyseating machinekey seating machines
3,195,414Jul. 20, 1965J.R. BashorFully automatic keyway shaperkeyway cutting machines
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