Douglas W. Brooks

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Carson City, NV, US

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Patents Grantslast 30 patents

Information Patent Grant
Output protection for arc discharge lamp ballast
- Patent number 6,292,339
- Issue date Sep 18, 2001
- Douglas William Brooks
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Floating reference fault protection circuit for arc discharge lamp...
- Patent number 6,175,189
- Issue date Jan 16, 2001
- Bruce Industries, Inc.
- Douglas William Brooks
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast and power controller
- Patent number 5,449,981
- Issue date Sep 12, 1995
- Bruce Industries, Inc.
- Samuel H. Auld
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wide range load current regulation in saturable reactor ballast
- Patent number 5,432,406
- Issue date Jul 11, 1995
- Bruce Industries, Inc.
- Douglas W. Brooks
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast and power controller
- Patent number 5,225,741
- Issue date Jul 6, 1993
- Bruce Industries, Inc.
- Samuel H. Auld
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR