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All Patents in class 92/156
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
1,132,649Mar. 23, 1915B. BrazellePneumatic tool
  2,386,117Oct. 02, 1945R.M. HvidEngine Piston Construction
  2,430,394Nov. 04, 1947R.H. Shepard, B.E. FolkeHydraulic Pump
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