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All Patents in class 173/154
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,994,040	Mar. 12, 1935	L.L. Schauer	Combined Arm and Sump
	2,108,780	Feb. 15, 1938	L.L. Schauer, J.H. McKewen	Submerged motor

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