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All Patents in class 73/523
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	229,948	Jul. 13, 1880	B. Brazelle	Governor for engines
	857,979	Jun. 25, 1907	W.L. Bryant	Tachometer
	2,481,020	Sep. 06, 1949	J.E. Justus	Engine Control Means

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