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Roger A. Olsen
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Woodbury, MN, US
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last 30 patents
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Patent Grant
Magnetic recording medium manufacturing process
Patent number
4,923,711
Issue date
May 8, 1990
Minnesota Mining and Manufacturing Company
John G. Chernega
G11 - INFORMATION STORAGE
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Patent Grant
Electron beam curable copolymer useful in recording media
Patent number
4,889,895
Issue date
Dec 26, 1989
Minnesota Mining and Manufacturing Company
John G. Chernega
G11 - INFORMATION STORAGE
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Patent Grant
Recording media containing alkyl acrylate copolymers
Patent number
4,783,370
Issue date
Nov 8, 1988
Minnesota Mining and Manufacturing Company
John G. Chernega
G11 - INFORMATION STORAGE