Mark H. Kayser

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pigmented algae-resistant granular materials and composites sheets...
- Patent number 5,382,475
- Issue date Jan 17, 1995
- Minnesota Mining and Manufacturing Company
- Mark H. Kayser
- E04 - BUILDING
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