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All Patents in class 239/533.7
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
723,956Mar. 31, 1903C.W. WeissExplosive Engine
  1,346,204Jul. 13, 1920R.M. HvidValve for Hydrocarbon Engine
  1,876,980Sep. 13, 1932J.H. Lentell, Jr.Fuel Injection Device
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