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All Patents in class 92/100
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
7,816X	Nov. 19, 1833	B. Lapham	Forcing pump	pumps
19,834	Apr. 06, 1858	W. Douglas, B. Douglas	Portable pump	household hand pumps
2,298,253	Oct. 06, 1942	W.E. Cowley, E.J. Dillman	Valve	valves
2,306,768	Dec. 29, 1942	D.D. Wile	Control Device	refrigeration apparatus

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