Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7754628 | Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass | Christian Lefevre | 2010-07-13 |
| 7612003 | Red glass, process for manufacturing red glass, and tinted bulbs and tubes obtained with such a glass | Christian Lefevre | 2009-11-03 |