Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451630 | Heat treatment strategically strengthened door beam | Todd Tjoelker, Alessandro Libriani, Joseph C. Kollaritsch | 2008-11-18 |
| 6918224 | Heat treatment strategically strengthened door beam | Todd Tjoelker, Alessandro Libriani, Joseph C. Kollaritsch | 2005-07-19 |