Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040457 | Motor speed controller system for freight elevator doors | — | 2006-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040457 | Motor speed controller system for freight elevator doors | — | 2006-05-09 |