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All Patents of Type: mill stone dressers
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,521XMay 24, 1811B. Ridgeway, Jr., C. WoolvertonMachine for dressing mill stonesmill stone dressers
3,690XMay 06, 1823L. NorcrossMachine for dressing mill stonesmill stone dressers
30,995Dec. 18, 1860B.D. TrippDevice for guiding diamonds for dressing millstonesmill stone dressers
125,403Apr. 09, 1872J.E. MitchellImprovement in tools for turning stonemill stone dressers
1,268,624Jun. 04, 1918F.E. RileyAutomatic Grindstone Dressermill stone dressers
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