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All Patents in class 137/516.19
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
89,344Apr. 27, 1869A.K. RiderPump Valvepump valves
215,800May 27, 1879G.H. CorlissPump-Valvepump valves
RE9,388Sep. 28, 1880A.K. RiderPump Valvepump valves
1,856,617May 03, 1932W.E. BebbingtonPlate valveair compressors
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