Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452430 | Safety device for lowering persons and loads | — | 1984-06-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452430 | Safety device for lowering persons and loads | — | 1984-06-05 |