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All Patents in class 236/80R
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
81,649Sep. 01, 1868A. Kipp, Jr.Improvement in steam and fire-regulatorsstationary boilers
2,251,441Aug. 05, 1941E.J. DillmanValveflow controls
2,501,012Mar. 21, 1950C.W. St. ClairWater-heating apparatusveneer machines
2,566,173Aug. 28, 1951E.J. DillmanPilot Operated Valvevalves
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