Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813560 | Spring hinge for dispensing cap | — | 1989-03-21 |
| 4813562 | Reversed-arc band for tamper-evident cap | — | 1989-03-21 |
| 4805791 | Band with lock ring for tamper-evident cap | — | 1989-02-21 |
| 4801029 | Tamper evident cap | — | 1989-01-31 |
| 4796770 | Molded plastic closure with split skirt tamperband | — | 1989-01-10 |