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Patents for John Schuman
Patents 1 - 8 of 8
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
335,497Feb. 02, 1886B.J. ArnoldTraction Engine
383,334May 22, 1888J.D. AbbottImprovements in Vise-Wrenches
392,651Nov. 13, 1888A.F. WardHoop-cutting machine
  397,114Feb. 05, 1889N.H. DolsenMachine for removing bark from trees
405,310Jun. 18, 1889J. HarleySaw-table gage
423,513Mar. 18, 1890J.F. Clarke, A. ClarkeCombination-Tool
453,654Jun. 09, 1891M. MortonAttachment for Key Seat Cutting Machines
455,821Jul. 14, 1891F.F. SchofieldWrench
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