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Patent applications and USPTO patent grants for Houkes; Henk.The latest application filed is for "high frequency ballast for a gas discharge lamp".
Patent | Date |
---|---|
High frequency ballast for a gas discharge lamp Grant 4,935,672 - Lammers , et al. June 19, 1 | 1990-06-19 |
DC-AC converter for igniting and supplying a discharge lamp Grant 4,748,383 - Houkes May 31, 1 | 1988-05-31 |
Electrodeless low-pressure discharge lamp Grant 4,727,294 - Houkes , et al. February 23, 1 | 1988-02-23 |
Electrodeless low-pressure discharge lamp Grant 4,710,678 - Houkes , et al. December 1, 1 | 1987-12-01 |
Frequency converter for supplying an electrodeless discharge lamp Grant 4,415,838 - Houkes November 15, 1 | 1983-11-15 |
Circuit arrangement comprising a high-voltage power transistor Grant 4,227,099 - Houkes October 7, 1 | 1980-10-07 |
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