Patents for W. C. Osten


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Patents for W. C. Osten
Patents 1 - 1 of 1
Number	Date	Patentee	Title	Type
506,865	Oct. 17, 1893	D.C. Stover, F.W. Hoefer, E.A. Hoefer, A. Hoefer	Sensitive drill	drill presses