Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876228 | Zeolite modifications | Clarence D. Chang, Cynthia T-W. Chu, Pochen Chu, Ralph M. Dessau, William E. Garwood +2 more | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876228 | Zeolite modifications | Clarence D. Chang, Cynthia T-W. Chu, Pochen Chu, Ralph M. Dessau, William E. Garwood +2 more | 1989-10-24 |