Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242039 | Pump impeller seals with spiral grooves | Jean-Claude Villard | 1980-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242039 | Pump impeller seals with spiral grooves | Jean-Claude Villard | 1980-12-30 |