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Patent applications and USPTO patent grants for Keijser; Robertus Antonius Johannes.The latest application filed is for "apparatus for driving a gas discharge lamp".
Patent | Date |
---|---|
Apparatus For Driving A Gas Discharge Lamp App 20100026210 - Keijser; Robertus Antonius Johannes ;   et al. | 2010-02-04 |
Method and Ballast for Driving a High-Pressure Gas Discharge Lamp App 20080231206 - Couwenberg; Winston Donald ;   et al. | 2008-09-25 |
Discharge lamp App 20050104500 - Haverlag, Marco ;   et al. | 2005-05-19 |
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