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Patents for John Schuman
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
335,497Feb. 02, 1886B.J. ArnoldTraction Enginesuspensions
383,334May 22, 1888J.D. AbbottImprovements in Vise-Wrenchesaxle nut wrenches
392,651Nov. 13, 1888A.F. WardHoop-cutting machinehoop making machines
397,114Feb. 05, 1889N.H. DolsenMachine for removing bark from treesdebarking machines
405,310Jun. 18, 1889J. HarleySaw-table gagetablesaw accessories
423,513Mar. 18, 1890J.F. Clarke, A. ClarkeCombination-Toolcombination tools
453,654Jun. 09, 1891M. MortonAttachment for Key Seat Cutting Machineskey seating machines
455,821Jul. 14, 1891F.F. SchofieldWrenchquick adjust wrenches
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