John Thomas Barnett

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Above-water monitoring of swimming pools
- Patent number 8,669,876
- Issue date Mar 11, 2014
- 1998 David B. and Ann E. Anderson Revocable Trust
- David Bradford Anderson
- G08 - SIGNALLING
Information Patent Grant
Above-water monitoring of swimming pools
- Patent number 8,237,574
- Issue date Aug 7, 2012
- Hawkeye Systems, Inc.
- David Bradford Anderson
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
ABOVE-WATER MONITORING OF SWIMMING POOLS
- Publication number 20120269399
- Publication date Oct 25, 2012
- HAWKEYE SYSTEMS, INC.
- David Bradford Anderson
- G08 - SIGNALLING
Information Patent Application
ABOVE-WATER MONITORING OF SWIMMING POOLS
- Publication number 20090303055
- Publication date Dec 10, 2009
- HAWKEYE SYSTEMS, INC.
- David Bradford Anderson
- G08 - SIGNALLING