Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846146 | Cooking apparatus ventilation system with recycling air flow | Takatoshi Yano, Roy L. Turknett | 1989-07-11 |
| 4821704 | Cooking apparatus ventilation system | Takatoshi Yano, Roy L. Turknett | 1989-04-18 |