Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4248467 | Lifting and lowering device for handling goods containers | David O. Allen | 1981-02-03 |
| 4184708 | Handling apparatus for goods transport containers | David O. Allen | 1980-01-22 |