Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019441 | Method of restoring and conserving oil paintings and resulting integrated permanent structure | Frank J. Nussbaum | 1991-05-28 |
| 4197227 | Wear-resistant paint | — | 1980-04-08 |