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All Patents in class 409/257
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,024,254Dec. 17, 1935E.G. Roehm, M. RomaineBroaching Machinebroaching machines
2,025,070Dec. 24, 1935E.E. NygrenMetal cutting machinebroaching machines
2,063,955Dec. 15, 1936B.P. SchiltzApparatus for machining metal partsmetalworking machines
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