Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600204 | High-pressure sodium discharge lamp | Aldegondus W. Jansen, Jan A. J. Stoffels | 1997-02-04 |
| 5252886 | High-pressure discharge lamp with ceramic vessel | Max L. P. Renardus, Theodorus P. P. Kandelaars, Samuel A. Carleton | 1993-10-12 |
| 4958103 | HID lamp with multiple discharge devices | Norman R. King, Dale E. Bradham | 1990-09-18 |
| 4910433 | Emitterless SDN electrode | Jan R. De Bie, Peter A. W. Tielemans | 1990-03-20 |
| 4788475 | Multiple discharge device hid lamp with preferential starting | — | 1988-11-29 |
| 4769578 | High-pressure sodium discharge lamp | Hubertus M. J. Chermin | 1988-09-06 |
| 4521716 | High-pressure metal vapor discharge lamp | Johannes A. T. Schellen, Anthonius P. Van Der Vleuten | 1985-06-04 |
| 4475061 | High-pressure discharge lamp current supply member and mounting seal construction | Martinus H. A. Van De Weijer, John Fitzgerald | 1984-10-02 |
| 4420708 | High-pressure sodium vapor discharge lamp | Peter A. W. Tielemans | 1983-12-13 |
| 4374339 | High-pressure sodium vapor discharge lamp | Peter A. W. Tielemans | 1983-02-15 |
| 4322654 | High-pressure sodium vapor discharge lamp | Peter A. W. Tielemans | 1982-03-30 |
| 4314175 | Method vapor discharge lamp having specific range of xenon pressures | Johannes A. T. Schellen, Gijsbert Kuus | 1982-02-02 |
| 4260929 | High-pressure sodium vapor discharge lamp | Marinus F. Brugmans | 1981-04-07 |
| 4260934 | Electric device provided with a switch which is designed as a discharge tube | Gijsbert Kuus, Robertus De Vaan, Herman Smulders | 1981-04-07 |
| 4253037 | High-pressure sodium-vapor discharge lamp | Antonius J. G. C. Driessen | 1981-02-24 |
| 4223247 | Metal vapor discharge lamp | Jaap Rozenboom | 1980-09-16 |