David Larsen

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Mesa, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic water leveler
- Patent number 8,875,731
- Issue date Nov 4, 2014
- David Larsen
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC WATER LEVELER
- Publication number 20100071123
- Publication date Mar 25, 2010
- David Larsen
- E04 - BUILDING