Thomas R. Christianson

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Napa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Handheld showerhead with valve
- Patent number D604391
- Issue date Nov 17, 2009
- ShowerTek, Inc.
- Thomas R. Christianson
- D23 - Environmental heating and cooling
Information Patent Grant
Wearable and positionable dual-light
- Patent number D571942
- Issue date Jun 24, 2008
- ShowerTek, Inc.
- Thomas R. Christianson
- D26 - Lighting