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Patents for Robert W. Gardner
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	51,037	Nov. 21, 1865	R.W. Gardner	Governor Valve
	182,816	Oct. 03, 1876	R.W. Gardner	Governors for Steam Engines
	287,822	Nov. 06, 1883	R.W. Gardner	Governor
	300,705	Jun. 17, 1884	J.W. Gardner, R.W. Gardner	Governor

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