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All Patents in class 79/5
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
443,417Dec. 23, 1890H. ThurstonButton-machine
624,996May 16, 1899H. ThurstonButtonbutton making machinery
812,101Feb. 06, 1906H. ThurstonPressbutton making machinery
1,670,648May 22, 1928O.S. BeyerAutomatic punching presspunch presses
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