Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816342 | Polymeric structure having improved barrier properties and method of making same | Boh C. Tsai, James A. Wachtel | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816342 | Polymeric structure having improved barrier properties and method of making same | Boh C. Tsai, James A. Wachtel | 1989-03-28 |