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Patents for James M. Johnson
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
13,947Dec. 18, 1855W.W. JohnsonMachine for planing fellies
82,004Sep. 08, 1868J. Herig, J.M. JohnsonMortising machine for sash
198,945Jan. 08, 1878J.M. JohnsonImprovement in collapsible screw-taps
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