Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846859 | Amber glass | Jean-Sebastien Straetmans, Theodorus Herman Ketelaar, Raoul Hendrinkus Elisabeth Maria Martens | 2010-12-07 |
| 7518314 | Red-colored electric lamp | Maarten Walter Steinmann, Hubertina Maria Petra Ulenaers, Simon Krijnen | 2009-04-14 |
| 7501368 | Glass composition for blue lamp bulbs and use of a composition for forming an automotive bulb | Hubertina Maria Petra Ulenaers, Maarten Walter Steinmann | 2009-03-10 |