Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8274224 | Metal halide lamp including ceramic sealing material | Theodorus Gerardus Marinus Maria Kappen | 2012-09-25 |
| 7952285 | Metal halide lamp with cerium oxide seal | Theodorus Gerardus Marinus Maria Kappen | 2011-05-31 |
| 6739255 | Stamp, method, and apparatus | Martin Hillebrand Blees, Peter Slikkerveer | 2004-05-25 |