Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361610 | Method for cleaning or decoring a casting | Jean-Louis Janin | 2002-03-26 |
| 6017398 | Immersed metal cleaning by subjecting object to natural resonant frequency | Jean-Louis Janin | 2000-01-25 |