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All Patents in class 403/223
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
777,215	Dec. 13, 1904	C.R. Meston	Shaft-coupling	industrial machine shaft couplings
2,154,651	Apr. 18, 1939	O.P. Wodack, H.M. Zschau	Tool retainer for portable power driven tools	drill chucks

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