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All Patents in class 76/DIG.012
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,185,259May 30, 1916C.H. StephanEmery-wheel dresser
2,545,676Mar. 20, 1951L. SmallDiamond impregnated dressing tool
2,921,485Jan. 19, 1960L. SmallMethod of forming a diamond tool
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