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All Patents in class 33/23.01
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
363,657May 24, 1887J. MacKenzieCountour Scribe for Railroad Wheels
  2,703,455Mar. 08, 1955E.T. GreenAutoradial Engraving Device
  3,015,976Jan. 09, 1962C.H. JohnsonCenter Drive Machine Tool
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