Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935672 | High frequency ballast for a gas discharge lamp | Franciscus H. T. Lammers, Paul R. Veldman | 1990-06-19 |
| 4748383 | DC-AC converter for igniting and supplying a discharge lamp | — | 1988-05-31 |
| 4727294 | Electrodeless low-pressure discharge lamp | Pieter Postma, Andreas G. Van Veghel | 1988-02-23 |
| 4710678 | Electrodeless low-pressure discharge lamp | Pieter Postma, Andreas C. Van Veghel | 1987-12-01 |
| 4568859 | Discharge lamp with interference shielding | Jan W. Denneman, Pieter Postma | 1986-02-04 |
| 4415838 | Frequency converter for supplying an electrodeless discharge lamp | — | 1983-11-15 |
| 4227099 | Circuit arrangement comprising a high-voltage power transistor | — | 1980-10-07 |