All Patents in class 222/394


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All Patents in class 222/394
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	217,176	Jul. 01, 1879	D. Lang, A. Linn, A.J. Ulscht	Improvement in apparatus for regulating pressure in fermenting-casks
	2,137,786	Nov. 22, 1938	H.L. Schlosser	Spray Oiler
	2,651,746	Sep. 08, 1953	J.J. Gano	Control Device