Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8283407 | Processing aids for elastomeric compositions | Walter H. Waddell, David Yen-Lung Chung, Donald S. Tracey | 2012-10-09 | $151,016,000 |
| 8247496 | Processing aids for elastomeric compositions | Walter H. Waddell, David Yen-Lung Chung, Donald S. Tracey | 2012-08-21 | $102,506,000 |
| 7960454 | Processing aids for elastomeric compositions | Walter H. Waddell, David Yen-Lung Chung, Donald S. Tracey, Dirk Frans Rouckhout | 2011-06-14 | $162,161,000 |