Issued Patents All Time
Showing 1–4 of 4 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 |
| 4905455 | Stretch wrapping | — | 1990-03-06 |