Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853203 | Ferrierites; their process of manufacture | Jean-Louis Guth, Anne-Catherine Faust, Francis Raatz | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853203 | Ferrierites; their process of manufacture | Jean-Louis Guth, Anne-Catherine Faust, Francis Raatz | 1989-08-01 |