Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525492 | Modified phenolic foams | Norman Ng, Edwin J. MacPherson | 1985-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525492 | Modified phenolic foams | Norman Ng, Edwin J. MacPherson | 1985-06-25 |