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Patents for Portalign Tool Co.
Patents 1 - 2 of 2
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
3,874,810Apr. 01, 1975W.D. RussellDrill guide
  4,335,512Jun. 22, 1982M.I. Sheps, G.S. Christensen, G.E. RobsonAttachment for a power hand saw
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