Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580206 | Storage and retrieval crane with dual drives | George J. Bertels | 1996-12-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580206 | Storage and retrieval crane with dual drives | George J. Bertels | 1996-12-03 |