Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762558 | Low-pressure gas discharge lamp | — | 2004-07-13 |
| 5723941 | Lighting unit, electrodeless low-pressure discharge lamp, and discharge vessel for use in the lighting unit | — | 1998-03-03 |
| 5387837 | Low-pressure discharge lamp and luminaire provided with such a lamp | Paulus Q. J. Nederpel, Franciscus A. S. Ligthart | 1995-02-07 |
| 5136206 | Low-pressure mercury vapor discharge lamp suitable for illuminating a color original | Martinus J. M. Van Heel, Theodorus F. Lamboo | 1992-08-04 |
| 4994710 | Adaptor for a low-pressure discharge lamp | Frans J. Traksel, Johannes A. A. M. Van Heeswijk | 1991-02-19 |
| 4777400 | Blown lamp bulb and electric lamp provided with such a bulb | — | 1988-10-11 |
| 4622488 | Internally fused electric lamp with partially embedded fuse wire | Johannes H. H. Beurskens | 1986-11-11 |
| 4506185 | Electric reflector lamp | Henricus F. J. I. Giller, Antonius J. M. Van Hees | 1985-03-19 |
| 4208700 | Flashbulb unit | Johannes R. Gelens | 1980-06-17 |
| 4198673 | Flash bulb unit | — | 1980-04-15 |