Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6846143 | Compound dip process for metal cans | Hellmut Bunsch | 2005-01-25 |
| 6533517 | Compound dip process for metal cans | Hellmut Bunsch | 2003-03-18 |
| 6129494 | Compound dip process for metal cans | Hellmut Bunsch | 2000-10-10 |