Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7391146 | Halogen incandescent lamp | Jacobus Marinus Maria Claassens, Joseph Franciscus Raymond Eijsermans | 2008-06-24 |
| 6204598 | Electric incandescent lamp with sintered glass plate | Ursula Bruggemann, Jacques M.J. Geboers, Antonius J. M. Van Hees | 2001-03-20 |
| 6140769 | Electric incandescent lamp with sintered body glass plate | Ursula Bruggemann, Jacques M.J. Geboers, Antonius J. M. Van Hees | 2000-10-31 |
| 6031331 | Electric lamp having lamp vessel with improved pinch seal | Ludwig J. Bondgen | 2000-02-29 |