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All Patents in class 123/195P
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  597,860Jan. 25, 1898S. RolfeExplosion Engine
957,984May 17, 1910A.L. MowryPiston
  1,975,912Oct. 09, 1934E.D. VancilMachine Tool
  2,040,662May 12, 1936A.W. MallGasoline motor base for floor surfacer
  2,136,416Nov. 15, 1938W.C. DehnPiston
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