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All Patents in class 72/448
Patents 1 - 5 of 5
First set of recordsLast set of records
144,059Oct. 28, 1873J.C. ButterfieldImprovement in power-hammersdrop hammers
558,673Apr. 21, 1896C.J. CollingMachine for Making Curved Molding and Embossing
784,725Mar. 14, 1905J.W. YatesCornice Making Machine
2,260,624Oct. 28, 1941A.S. JohannSheet Metal Shapersheet metal
2,975,701Mar. 21, 1961E.A. Munschauer, Jr., G.E. Munschauer, F.E. Munschauer, Jr.Power press with shiftable bolster meanspunch presses
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