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All Patents in class 83/277
Patents 1 - 3 of 3
First set of recordsLast set of records
706,552Aug. 12, 1902B.F. HallPunching-machineshoe and boot making machines
921,861May 18, 1909F.W. Matthiessen, Jr.Metal Shearing Machinemetal shears
1,406,310Feb. 14, 1922H.C. WalshAutomatic feed mechanism for punch pressespunch presses
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