Roger J. Anderson

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical detection device for screening magnetic tape
- Patent number 5,357,335
- Issue date Oct 18, 1994
- Minnesota Mining and Manufacturing Company
- Johnny K. Sparks
- G01 - MEASURING TESTING
Information Patent Grant
Metallized information carrying discs
- Patent number 4,519,065
- Issue date May 21, 1985
- Minnesota Mining and Manufacturing Company
- Terry W. Lewis
- G11 - INFORMATION STORAGE
Information Patent Grant
Metallized information carrying discs
- Patent number 4,363,844
- Issue date Dec 14, 1982
- Terry W. Lewis
- G11 - INFORMATION STORAGE
Information Patent Grant
Information carrying discs
- Patent number 4,304,806
- Issue date Dec 8, 1981
- Minnesota Mining and Manufacturing Company
- Roger J. Anderson
- G11 - INFORMATION STORAGE