Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844268 | Tamper-evident cap and neck structure | — | 1989-07-04 |
| 4815620 | Tamper-evident cap having plural diameters | — | 1989-03-28 |
| 4798301 | Tamper-resistant cap for wide mouth jar | Wayne L. Hatch, George Tackles | 1989-01-17 |