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All Patents in class 137/624.13
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
604,241	May 17, 1898	D.M. Tuttle	Gas Engine	gas and gasoline engines
873,822	Dec. 17, 1907	F.L. Wolfe	Whistle Valve	valves
1,792,222	Feb. 10, 1931	H.H. Hardinge	Oil burner	industrial furnaces
2,671,292	Mar. 09, 1954	E.Y. Seborg, H.J. Caldwell	Control Mechanism for Honing Machines	machine tool controls
4,789,001	Dec. 06, 1988	B.S. Backe, L.W. Durham	Operating System for a Valve

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