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All Patents in class 433/133
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,406,263Feb. 14, 1922P. KühnAngle Plate and Handle for Dentists' Boring Machines
  1,534,816Apr. 21, 1925W.L. ThiedemannDental Tool Holder
1,638,175Aug. 09, 1927G.A. TerryDental Handpiece
2,138,945Dec. 06, 1938P. Brong, C.L. StolteAngle Hand Piece
  2,701,914Feb. 15, 1955T. DietrichTool Holder, Chiefly for Dentists' Tools
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