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All Patents in class 83/606
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
203,111Apr. 30, 1878P. BroadbooksMechanical Movementpunch presses
226,612Apr. 20, 1880M. HerzbergMetal Stamping, Punching and Shearing Machinestamping presses
348,731Sep. 07, 1886A. GargraveBar Cuttermetal shearing machines
430,264Jun. 17, 1890C.A. BertschPunching and shearing machinemetal punching machines
1,029,411Jun. 11, 1912W.S. Shenk, G. ZellShaersmetal shearing machines
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