All Patents in class 251/322


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All Patents in class 251/322
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	17,433	Jun. 02, 1857	L.J. Knowles	Faucet
	188,154	Mar. 06, 1877	W.D. Leavitt, B.J. Thurston	Improvement in gas and water regulators
	256,229	Apr. 11, 1882	J.E. Lonergan	Oil-cup for steam-engines
	583,399	May 25, 1897	G.W. Lewis	Gas or Oil Vapor Engine