Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670102 | Method of making thermoplastic foamed articles using supercritical fluid | Craig A. Perman, William A. Hendrickson | 1997-09-23 |
| 5508060 | Method of polymer impregnation | Craig A. Perman, Joanne M. Bartkus, Hye-Ok Choi, Kelvin J. Witcher, Richard Kao +2 more | 1996-04-16 |
| 5340614 | Methods of polymer impregnation | Craig A. Perman | 1994-08-23 |