Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887742 | One piece dispensing valve | James P. Leigh | 1989-12-19 |
| 4881669 | Dispenser valve and method of forming the same | James P. Leigh | 1989-11-21 |
| D304282 | Container lid | Bryan A. Feimer, Raymond P. Kowalics | 1989-10-31 |