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Patents for Chas. F. Schwelz
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	509,408	Nov. 28, 1893	R.T. Torkelson	Pipe Wrench
	564,816	Jul. 28, 1896	J.V. Chamberlin, R. Aldrich	Wrench

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