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Patents for Benjamin F. Rosenberg
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,105,757	Jan. 18, 1938	B.F. Rosenberg	Boring Tool
	2,182,411	Dec. 05, 1939	J.A. Scully, B.F. Rosenberg	Tool Holder
	2,206,292	Jul. 02, 1940	B.F. Rosenberg	Method of Making a Drill Sleeve

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