Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648631 | Deep drawn candle can with formed safety bottom | Chet Wright, Walter P. Pietruch | 2003-11-18 |
| 6543268 | Deep drawn candle can with formed safety bottom | Chet Wright, Walter P. Pietruch | 2003-04-08 |
| 6523239 | Die for assembling metal spool having high torque transmitting capacity between spool components | Walter P. Pietruch, Donald Leni, Ewald A. Oppmann | 2003-02-25 |