Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6199263 | Process for preparation of an article made of enameled sheet steel by a direct method | Vicent Cholet | 2001-03-13 |
| 5766374 | Process for preparing the metal surface of an article, especially one made of steel sheet, for direct-on enameling | Louis Guillot, Vincent Cholet | 1998-06-16 |