Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D380151 | Crystal container | Robert du Grenier | 1997-06-24 |
| D378897 | Combined bottle and stopper | Robert du Grenier | 1997-04-22 |
| D377903 | Combined bottle and stopper | Robert du Grenier | 1997-02-11 |