Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404112 | Electric lamp/reflector unit | Hubert Frings, Franz Herbert Kaulen | 2002-06-11 |
| 5272409 | Capped lamp/reflector unit | Hendrikus A. M. Van Dulmen, Jaak M. J. Geboers | 1993-12-21 |