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Patents for John Webster
Patents 1 - 5 of 5
First set of recordsLast set of records
1,298XMay 01, 1810J. WebsterBoring machines
6,734XAug. 26, 1831J. Webster, E. SkinnerVertical lathe millmetal lathes
7,597XMay 28, 1833E. Skinner, J. WebsterComposition paint stonepaint grinding mills
211,259Jan. 07, 1879J.A. RobbinsImprovement in planing-sawssawblades
211,346Jan. 14, 1879I.C. Bumpus, J.A. RobbinsImprovement in sawssawblades
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