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All Patents in class 409/269
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
141,091Jul. 22, 1873A.P. StephensImprovement in broaching-machinestool making machines
2,024,252Dec. 17, 1935E.G. Roehm, M. RomaineBroaching Machinebroaching machines
2,065,101Dec. 22, 1936M. RomaineBroaching Machine Fixturebroaching machines
2,571,904Oct. 16, 1951C.O. LofgrenBroaching machinebroaching machines
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