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All Patents in class 414/793.4
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,545,225	Jul. 07, 1925	E.W. Zeh	Tile-stacking machine
	1,581,774	Apr. 20, 1926	E.W. Zeh	Tile cleaning and stacking machine and method

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