Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825598 | System for cleaning the surfaces of objects of great surface area from a movable aerial bucket | — | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825598 | System for cleaning the surfaces of objects of great surface area from a movable aerial bucket | — | 1989-05-02 |