Kenneth S. Hoffman

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Harrison TWP, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Roof flashing strip and method of production
- Patent number 5,946,862
- Issue date Sep 7, 1999
- Kenneth S. Hoffman
- E04 - BUILDING
Information Patent Grant
Fire block sheet and wrapper
- Patent number 4,822,659
- Issue date Apr 18, 1989
- Bisco Products Inc.
- James S. Anderson
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Roof flashing strip and method of production
- Publication number 20090178347
- Publication date Jul 16, 2009
- Kenneth Hoffman
- E04 - BUILDING
Information Patent Application
Roof flashing strip and method of production
- Publication number 20060265970
- Publication date Nov 30, 2006
- Kenneth S. Hoffman
- E04 - BUILDING
Information Patent Application
Roof flashing strip and method of production
- Publication number 20050246999
- Publication date Nov 10, 2005
- Kenneth S. Hoffman
- E04 - BUILDING