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Patents for Bradford Machine Tool Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  971,243Sep. 27, 1910F. Kropf, W.T. Johnson, E.W. BlumRelieving Attachment for Lathes
  1,143,592Jun. 15, 1915E.W. BlumLathe
  1,796,352Mar. 17, 1931S.C. WatsonAutomatic Tapping Head
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