Graham Christensen

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Middletown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic control systems and methods
- Patent number 7,005,762
- Issue date Feb 28, 2006
- Lutron Electronics Co., Inc.
- Richard L. Black
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic control systems and methods
- Patent number 6,969,959
- Issue date Nov 29, 2005
- Lutron Electronics Co., Inc.
- Richard L. Black
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic control systems and methods
- Patent number 6,720,744
- Issue date Apr 13, 2004
- Lutron Electronics Co., Inc.
- Richard L. Black

Patents Applicationslast 30 patents

Information Patent Application
Electronic control systems and methods
- Publication number 20030178892
- Publication date Sep 25, 2003
- Richard L. Black
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electronic control systems and methods
- Publication number 20030006710
- Publication date Jan 9, 2003
- Richard L. Black
- H03 - BASIC ELECTRONIC CIRCUITRY