Steven P. Dewitt

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Tacoma, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Embossing for a multipanel garage door
- Patent number D593211
- Issue date May 26, 2009
- Northwest Door, Inc.
- Steven P. Dewitt
- D25 - Building units and construction elements
Information Patent Grant
Decorative split hinge for sectional garage doors
- Patent number D586200
- Issue date Feb 10, 2009
- Northwest Door, Inc.
- Steven P. Dewitt
- D08 - Tools and hardware
Information Patent Grant
Simulated center post for sectional garage doors
- Patent number D565203
- Issue date Mar 25, 2008
- Northwest Door, Inc.
- Steven P. Dewitt
- D25 - Building units and construction elements