Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9115228 | Styrenic resin having improved extensional viscosity | Gary C. Welsh, Daron J. Kleppe, Jason Miller | 2015-08-25 |
| 9096698 | Styrenic resin incorporating recycled polystyrene | Jack M. Frost, Nicole B. Loontjens, Gary C. Welsh | 2015-08-04 |
| 8609778 | Styrenic resin incorporating recycled polystyrene | Jack M. Frost, Nicole B. Loontjens, Gary C. Welsh | 2013-12-17 |