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All Patents in class 83/518
Patents 1 - 4 of 4
First set of recordsLast set of records
31,835Mar. 26, 1861T.F. TaftShear and punchmetal punches
421,895Feb. 25, 1890A. BeaudryMachine for punching and shearing metalmetal punches
1,068,344Jul. 22, 1913L.D. JannellPunching and shearing machinemetal punches
5,170,689Dec. 15, 1992J. DvorakMetal working machinemetal punches
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