William T. Fay

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St. Paul, MN, US

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Patents Grantslast 30 patents

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
Electrically regenerable diesel particulate trap
- Patent number 5,258,164
- Issue date Nov 2, 1993
- Minnesota Mining and Manufacturing Company
- Richard L. Bloom
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Diesel particulate trap based on a mass of fibrous filter material...
- Patent number 5,190,571
- Issue date Mar 2, 1993
- Minnesota Mining and Manufacturing Company
- William T. Fay
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS