All Patents in class 60/412


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All Patents in class 60/412
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
27,938	Apr. 17, 1860	W.C. Turnbull	Air Engine	air motors and turbines
331,359	Dec. 01, 1885	E.F. Woodbury, G. Patten, J. Merrill, J.A. Woodbury	Air Engine	hot air engines