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All Patents of Type: roller seaming machines
Patents 1 - 3 of 3
First set of recordsLast set of records
195,066Sep. 11, 1877P.A. WhitneySheet-Metal Roller-Seaming Machinesroller seaming machines
CA-19,832Jul. 17, 1884O.W. BurrittMachine for Seaming Sheet Metal Roofingroller seaming machines
1,162,536Nov. 30, 1915B.F. WinterhoffSheet-metal-tube-planishing machineroller seaming machines
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