Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888234 | Formable fiber composite | Elwood G. Trask, Paul Ellis, Jon Johnston, Brian Robert Campbell, Leon Rorie | 1989-12-19 |
| 4818586 | Preferentially needled textile panel and method | Elwood G. Trask | 1989-04-04 |