Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730222 | Die assembly for producing a film | Wenyi Huang, Jeffrey D. Wenzel, Jie Feng, Hyunwoo KIM, Kurt A. Koppi +4 more | 2020-08-04 |
| 9481143 | Multilayer structures having annular profiles | Joseph Dooley, Jeffrey M. Robacki, Mark A. Barger, Sam L. Crabtree, Calvin L. Pavlicek | 2016-11-01 |
| 8562885 | Multilayer structures having annular profiles and methods and apparatus of making the same | Joseph Dooley, Jeffrey M. Robacki, Mark A. Barger, Sam L. Crabtree, Calvin L. Pavlicek | 2013-10-22 |
| 6210139 | High efficiency gear pump for pumping highly viscous fluids | Ravi Ramanathan, Thomas J. Parsons, Kun S. Hyun | 2001-04-03 |