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Patents for Frank L. Simmons
Patents 1 - 8 of 8
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,254,736Jan. 29, 1918F.L. SimmonsMagnetic Chuck
  1,330,558Feb. 10, 1920F.L. SimmonsParallel Bars and the Like for Magnetic Chucks
  1,336,928Apr. 13, 1920F.L. SimmonsMethod and Apparatus for Alining Work on V Blocks and the Like for Magnetic Chucks
1,343,751Jun. 15, 1920F.L. SimmonsAdjustable V-Block and the Like for Magnetic Chucks
  1,435,946Nov. 21, 1922F.L. SimmonsMagnetic Chuck
  1,595,691Aug. 10, 1926F.L. SimmonsTerminal Block for Magnetic Chucks and the Like
  1,853,642Apr. 12, 1932F.L. SimmonsSurge Control for Magnetic Chucks
  1,970,922Aug. 21, 1934F.L. SimmonsMagnetic Chuck
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