All Patents in class 92/172


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All Patents in class 92/172
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,510,205	Sep. 30, 1924	J.T. Beaty	Cotton tamper
	2,499,968	Mar. 07, 1950	E.M. Pfauser	Pneumatic-Hydraulic Pressure Converter