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All Patents in class 91/174
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  313,728Mar. 10, 1885D.D. HardySteam Engine
  355,037Dec. 28, 1886E.C. TerryPiston Water Meter
871,086Nov. 12, 1907W.O. Duntley, G.H. HayesEngine
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