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All Patents of Type: pump valves
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
215,800May 27, 1879G.H. CorlissPump-Valvepump valves
229,881Jul. 13, 1880H.F. GaskillPump Valvepump valves
491,543Feb. 14, 1893H.F. FrisbieValve for Pumpspump valves
2,157,480May 09, 1939L.A. ColeMagnetic valvepump valves
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