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Patents for Carl O. Graves
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,360,671Oct. 17, 1944A.C. Janke, C.O. Graves, F.S. HaasSurface Grinder
  2,761,196Sep. 04, 1956C.O. GravesFace Mill
  2,782,490Feb. 26, 1957C.O. GravesMilling Cutter
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