Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832219 | Dual dispensing hinged closure | — | 1989-05-23 |
| 4821899 | Dispensing closure | Mark J. Schoenlein | 1989-04-18 |
| 4801054 | Watertight molded plastic dispensing closure | — | 1989-01-31 |