Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858688 | Thermoplastic articles and processes for making the same using an improved masterbatch | Ronald Wevers, Franciscus Krabbenborg, Jacobus Houg | 2010-12-28 |
| 7732521 | Thermoplastic articles and processes for making the same using an improved masterbatch | Ronald Wevers, Franciscus Krabbenborg, Jacobus Houg | 2010-06-08 |
| 6544450 | Process for producing thermoformable foam sheet using a physical blowing agent | Gary C. Welsh, Roldolfo Salmang | 2003-04-08 |