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All Patents in class 91/309
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
245,777Aug. 16, 1881B. BrazelleSteam pumping-engine
  384,336Jun. 12, 1888W. Ross, G. RossWater-engine valve
  3,218,980Nov. 23, 1965L.L. ArnesPump
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