Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11726491 | Wire guidance and remote operation for material handling vehicles | John Bryant Kirk, Erric L. Heitmann, Steven J. Medwin, Jonathan William Hamlin | 2023-08-15 |
| 7967261 | Internal telescopic tube locking device | — | 2011-06-28 |
| 6308925 | Box easel | — | 2001-10-30 |
| 6050531 | Internal telescopic tube locking device | — | 2000-04-18 |