Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616369 | Process for barrier coating of plastic objects | Joel L. Williams, Susan L. Burkett | 1997-04-01 |
| 5603696 | Molded tubular medical articles of blended syndiotactic and isotactic polypropylene | Joel L. Williams, Yong-Jian Qui | 1997-02-18 |