All Patents in class 137/513


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All Patents in class 137/513
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	401,452	Apr. 16, 1889	L.H. Nash	Fuel Mixing Device for Gas Engines
	616,974	Jan. 03, 1899	C.C. Riotte	Gas Engine
	1,201,414	Oct. 17, 1916	F.D. Winkley	Lubricating system
	1,808,074	Jun. 02, 1931	W.P. Huffman, F.F. Rike	Valve