Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740900 | Method of preparing a light-absorbing coating | Marcel Boehmer | 2010-06-22 |
| 7045937 | Electric lamp lamp vessel provided with a light-absorbing coating and method of preparing such a light-absorbing coating | Marcel Boehmer | 2006-05-16 |
| 6819049 | Electric lamp | Marcel Rene Bohmer, Ingrid Jozef Maria Snijkers-Hendrickx, Paulina Maria Christina Neilen-Ten Wolde, REMY CYRILLE BROERSMA | 2004-11-16 |