Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850458 | Bidirectional rotary brake | Arthur R. Allan | 1989-07-25 |
| 4825969 | Wide track vehicle | Peter J. Gibson | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850458 | Bidirectional rotary brake | Arthur R. Allan | 1989-07-25 |
| 4825969 | Wide track vehicle | Peter J. Gibson | 1989-05-02 |