Sankar B. Narayan

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White Bear Lake, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Recording medium annealing process
- Patent number RE34765
- Issue date Oct 25, 1994
- Minnesota Mining and Manufacturing Company
- Jerry L. Alexander
- 156 - Adhesive bonding and miscellaneous chemical manufacture
Information Patent Grant
Method of inhibiting algae growth on asphalt shingles
- Patent number 5,356,664
- Issue date Oct 18, 1994
- Minnesota Mining and Manufacturing Company
- Sankar B. Narayan
- E04 - BUILDING
Information Patent Grant
Recording and/or reproducing apparatus for controlling thermal expa...
- Patent number 4,937,691
- Issue date Jun 26, 1990
- Minnesota Mining and Manufacturing Company
- Sankar B. Narayan
- G11 - INFORMATION STORAGE
Information Patent Grant
Stable stretched surface recording medium
- Patent number RE33187
- Issue date Mar 27, 1990
- Minnesota Mining and Manufacturing Company
- Jerry L. Alexander
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Recording medium annealing process
- Patent number 4,729,805
- Issue date Mar 8, 1988
- Minnesota Mining and Manufacturing Company
- Jerry L. Alexander
- G11 - INFORMATION STORAGE
Information Patent Grant
Stable stretched surface recording medium
- Patent number 4,623,570
- Issue date Nov 18, 1986
- Minnesota Mining and Manufacturing Company
- Jerry L. Alexander
- G11 - INFORMATION STORAGE