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Patents for George J. Spahn
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
647,311	Apr. 10, 1900	W.T. Maxwell, G.J. Spahn	Boring implement	hand drills
650,795	May 29, 1900	W.T. Maxwell, G.J. Spahn	Boring implement

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