Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693206 | Electrocoagulation printing apparatus | Adrien Castegnier, Gilles Gadbois, Christian Laplante | 1997-12-02 |
| 5681436 | Method of preventing formation of undesirable background on electrocoagulation printed images | Adrien Castegnier | 1997-10-28 |