Robert G. Crandall

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Manchester, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
High frequency electronic ballast with sine wave oscillator
- Patent number 7,388,334
- Issue date Jun 17, 2008
- PureSpectrum, Inc.
- Earl F. Crandall
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
High frequency electronic ballast with sine wave oscillator
- Publication number 20050104539
- Publication date May 19, 2005
- Transworld Lighting, Inc.
- Earl F. Crandall
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR