Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883844 | Substituted styrylaza epoxy resins | Robert E. Hefner, Jr., John W. Robinson | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883844 | Substituted styrylaza epoxy resins | Robert E. Hefner, Jr., John W. Robinson | 1989-11-28 |