Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648631 | Deep drawn candle can with formed safety bottom | Walter P. Pietruch, Richard L. Peterson | 2003-11-18 |
| 6543268 | Deep drawn candle can with formed safety bottom | Walter P. Pietruch, Richard L. Peterson | 2003-04-08 |
| 6398544 | Formed safety bottom for a candle can | Walter P. Pietruch, Richard L. Peterson | 2002-06-04 |