All Patents in class 165/4


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All Patents in class 165/4
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	34,155	Jan. 14, 1862	T. McDonough	Hot Air Engine
	206,597	Jul. 30, 1878	B.F. McKinley	Hot-Air Engine
	228,712	Jun. 08, 1880	G. Patten, J. Merrill, J.A. Woodbury, E.F. Woodbury	Air-Engine