Raymond Kulka

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic ballast system with dual power and dimming capability
- Patent number 6,507,157
- Issue date Jan 14, 2003
- Koninklijke Philips Electronics N.V.
- Robert Alexander Erhardt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Auxiliary lighting system for high intensity discharge lamp
- Patent number 6,489,729
- Issue date Dec 3, 2002
- Koninklijke Philips Electronics N.V.
- Robert Erhardt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Low harmonic compact fluorescent lamp ballast
- Patent number 5,223,767
- Issue date Jun 29, 1993
- U.S. Philips Corporation
- Raymond J. Kulka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Television receiver start-up circuit
- Patent number 4,415,842
- Issue date Nov 15, 1983
- Zenith Radio Corporation
- Raymond J. Kulka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AUXILIARY LIGHTING SYSTEM FOR HIGH INTENSITY DISCHARGE LAMP
- Publication number 20020195974
- Publication date Dec 26, 2002
- Koninklijke Philips Electronics N.V.
- Robert Erhardt
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR