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All Patents in class 409/59
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
401,987Apr. 23, 1889J.S. WatermanMachine for Cutting Gearsgear making machines
2,270,741Jan. 20, 1942J.D. RovickMachine and Tool for Finishing Gearsgear making machines
2,880,652Apr. 07, 1959B. WelteRing Gear Broaching Machinebroaching machines
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