Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764019 | Lamp and method of manufacturing a lamp | Oliver Boehme, Thomas Frings, Wilhelmus Johannes Jacobus Welters, Johannes Martinus Jansen | 2010-07-27 |
| 7378798 | Electric lamp | Jacobus Coumans, Wilhelmus Jacobus Johannes Welters | 2008-05-27 |