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Gueorgui L. Grouev
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Arlington Heights, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic ballast having open circuit in output
Patent number
6,720,741
Issue date
Apr 13, 2004
Universal Lighting Technologies, Inc.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast with cross-coupled outputs
Patent number
6,437,520
Issue date
Aug 20, 2002
Energy Savings, Inc.
Gueorgui L. Grouev
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light modulating electronic ballast
Patent number
6,333,605
Issue date
Dec 25, 2001
Energy Savings, Inc.
Gueorgui L. Grouev
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Electronic ballast having open circuit in output
Publication number
20030146716
Publication date
Aug 7, 2003
Energy Savings, Inc.
Kent E. Crouse
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR