Auburn B. Cottingham deceased

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late of Elmo, MN, US

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Patents Grantslast 30 patents

Information 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
Information 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