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All Patents in class 470/89
Patents 1 - 4 of 4
First set of recordsLast set of records
12,194Jan. 09, 1855R. BraytonMachine for Making Nuts and Washersnut or bolt making machines
62,923Mar. 19, 1867A.B. BeanImprovement in machines for making nutsnut or bolt making machines
77,347Apr. 28, 1868A.B. BeanImprovement in nut machinesnut or bolt making machines
79,255Jun. 23, 1868A. Shepard, A.P. PlantNut Machinenut or bolt making machines
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