Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990036 | Electric lamp featuring a discharge vessel with pinched seals and mounting members | — | 2011-08-02 |
| 6600256 | Electric lamp | Edwin Van Lier, Petrus Jacobus Govardus Mies, Hans-Peter Mews | 2003-07-29 |
| 6525454 | Electric lamp | Georges Marie Calon | 2003-02-25 |
| 5905338 | Electric lamp | Hendrikus A. M. Van Dulmen | 1999-05-18 |
| 5803595 | Luminaire | Hendrikus A. M. Van Dulmen | 1998-09-08 |
| 5729080 | Electric lamp with mounting members | Hendrikus A. M. Van Dulmen, Mathijs H. Loomans | 1998-03-17 |
| 5422535 | Capped electric lamp | Hendrikus A. M. Van Dulmen | 1995-06-06 |
| 5216318 | Capped high-pressure discharge lamp and lampholder for same | Hendrikus A. M. Van Dulmen | 1993-06-01 |