Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653804 | Method and apparatus for controlling a bucket hoist using a flux vector AC drive | — | 2003-11-25 |
| 6598859 | Multiple hoist synchronization apparatus and method | Eric L. Schlevensky | 2003-07-29 |