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All Patents in class 123/188.3
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	228,717	Jun. 08, 1880	E.F. Woodbury, G. Patten, J. Merrill, J.A. Woodbury	Heaters for Air-Engines
	328,970	Oct. 27, 1885	J.F. Place	Gas Engine
	556,037	Mar. 10, 1896	C.W. Weiss	Valve
	922,059	May 18, 1909	E.B. Stimpson	Rivet
	2,265,561	Dec. 09, 1941	J.H. Hoern	Method of Making Valve Tappets

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