All Patents in class 279/2.23


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All Patents in class 279/2.23
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,864,466	Jun. 21, 1932	J.M. Peterson	Tool Holder	tool holders
2,280,620	Apr. 21, 1942	F.J. Theler, G.W. Binns	Apparatus for Finishing Tubular Articles	grinding machines