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Patents for Harry S. Jakobsen
Patents 1 - 6 of 6
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
2,366,623Jan. 02, 1945H.S. JakobsenRadii and Angle Dresser
  2,400,826May 21, 1946H.S. JakobsenUniversal Grinder Head
  2,431,122Nov. 18, 1947H.S. JakobsenVariable Volume Hydraulic Pump of the Axially Oscillating Vane Type
  2,725,049Nov. 29, 1955H.S. JakobsenProfiling Dresser for Grinding Machine
  2,725,050Nov. 29, 1955H.S. JakobsenGrinding Wheel Dressers
  2,853,993Sep. 30, 1958H.S. JakobsenStone Dresser
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