Larry L. Birch

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Denver, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Staircase, staircase repair device and methods of fabricating same
- Patent number 6,665,987
- Issue date Dec 23, 2003
- Tread Ex, Inc.
- John S. Eve
- E04 - BUILDING
Information Patent Grant
Heating method and assembly for staircase
- Patent number 6,438,909
- Issue date Aug 27, 2002
- Tread Ex, Inc.
- Larry L. Birch
- E04 - BUILDING
Information Patent Grant
Staircase, staircase repair device and methods of fabricating same
- Patent number 6,318,033
- Issue date Nov 20, 2001
- Tread Ex, Inc.
- Larry L. Birch
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Staircase
- Publication number 20020189177
- Publication date Dec 19, 2002
- John S. Eve
- E04 - BUILDING
Information Patent Application
Staircase, staircase repair device and methods of fabricating same
- Publication number 20020029532
- Publication date Mar 14, 2002
- John S. Eve
- E04 - BUILDING
Information Patent Application
Heating method and assembly for staircase
- Publication number 20010000841
- Publication date May 10, 2001
- Larry L. Birch
- E04 - BUILDING