Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883824 | Modified phenolic foam catalysts and method | Paul J. Meunier, Edwin J. MacPherson | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883824 | Modified phenolic foam catalysts and method | Paul J. Meunier, Edwin J. MacPherson | 1989-11-28 |