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All Patents in class 73/741
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	829,551	Aug. 28, 1906	G. Spencer	Pressure Gage
	1,238,109	Aug. 28, 1917	A.B. Collette	Gage Spring
	2,040,681	May 12, 1936	H.S. Baker	Gauge
	2,239,938	Apr. 29, 1941	N.J. Smith	Tube Support for Gauges, Recorders, and the Like
	3,196,688	Jul. 27, 1965	N.J. Smith	Bleeder means for gauges

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