Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265741 | Boom extension for gantry cranes | Yuzo Shimizu, Hans G. Vosskamp | 1993-11-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265741 | Boom extension for gantry cranes | Yuzo Shimizu, Hans G. Vosskamp | 1993-11-30 |