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Patents for Sebastian J. Welter
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
1,621,226Mar. 15, 1927S.J. WelterMilling cutter
  1,653,326Dec. 20, 1927S.J. WelterChain Pipe Vise
2,078,475Apr. 27, 1937S.J. WelterTool Holder
2,211,039Aug. 13, 1940S.J. WelterThread Cutting Tool Holder
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