All Patents in class 73/233


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All Patents in class 73/233
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	209,048	Oct. 15, 1878	C. Holly	Steam Diaphagm Meter
	1,621,203	Mar. 15, 1927	C.R. Houghton	Pressure temperature compensator and slip integrator for meters
	1,896,527	Feb. 07, 1933	C.R. Houghton	Tandem meter