Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851058 | Tensioner for track of tracked vehicle | Holger Humbek | 1998-12-22 |
| 4766685 | Light box | — | 1988-08-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851058 | Tensioner for track of tracked vehicle | Holger Humbek | 1998-12-22 |
| 4766685 | Light box | — | 1988-08-30 |