Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425410 | Drying agent in multi-layer polymeric structure | Boh C. Tsai, James A. Wachtel | 1984-01-10 |
| 4407897 | Drying agent in multi-layer polymeric structure | Boh C. Tsai, James A. Wachtel | 1983-10-04 |