Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474194 | Closure with irreversible color change system | Robert J. Heilman, Leonard Rozanksi, H. Darrell Iler | 1995-12-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474194 | Closure with irreversible color change system | Robert J. Heilman, Leonard Rozanksi, H. Darrell Iler | 1995-12-12 |