Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634231 | Glass for panoramic roof | Denis Poncelet, Jean-Claude Coulon, Pierre Letourneur | 1987-01-06 |
| 4626207 | Apparatus for holding a glass sheet in a substantially vertical position during heat treatment of the glass sheet | Claude Aubry, Bernard Letemps, Jean-Marc Petitcollin, Werner Gatzweiler, Heinz-Bernd Rissmann +2 more | 1986-12-02 |
| 4508783 | Method for the differentiated hardening of glass sheets, especially of automobile windshields, and tempered glass sheet | Claude Aubry, Pierre Touchon | 1985-04-02 |