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Patents for CROMNA COMPANY
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
DK-69,670	Jul. 25, 1949	H.F. Madsen, O. Rønberg	Skruenøgle ("wrench")	self-adjust wrenches
2,570,991	Oct. 09, 1951	M.F. Stellinger	Self-adjusting wrench for nuts or like polygonal objects	self-adjust wrenches
2,647,425	Aug. 04, 1953	S.O. Mortensen	Self-adjusting wrench for nuts and like polygonal objects	self-adjust wrenches

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