All Patents in class 417/156


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All Patents in class 417/156
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	824,004	Jun. 19, 1906	O.S. French	Spark-Arrester
	1,569,515	Jan. 12, 1926	A.G. Machesney	Locomotive Exhaust Nozzle Covering