Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702387 | Container and plastic closure therefor | — | 1987-10-27 |
| 4380303 | Molded container and opening means therefore | David O. Allen | 1983-04-19 |
| 4291813 | Containers and closures | David O. Allen | 1981-09-29 |