Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118131 | Suspension | — | 1992-06-02 |
| 4946189 | Rear suspension | — | 1990-08-07 |
| D302802 | Bus body | — | 1989-08-15 |
| D302256 | Bus body | — | 1989-07-18 |
| D302255 | Bus body | — | 1989-07-18 |
| D301996 | Bus body | — | 1989-07-04 |
| 4733755 | Anti-rolling device for wheelchair | — | 1988-03-29 |
| 4715630 | Energy absorbing vehicle bumper | — | 1987-12-29 |
| D292901 | Modular vehicle bumper | — | 1987-11-24 |
| D292195 | Bus body | — | 1987-10-06 |
| D291981 | Bus body | — | 1987-09-22 |
| 4685858 | Vehicle entrance ramp | Delos W. Hood | 1987-08-11 |
| 4597601 | Energy absorbing vehicle bumper | — | 1986-07-01 |
| 4579367 | Bumper support and suspension system | — | 1986-04-01 |
| 4509782 | Energy absorbing vehicle bumper | — | 1985-04-09 |
| 4433506 | Combined vent and escape hatch | — | 1984-02-28 |
| 4412404 | Combined vent and escape hatch | — | 1983-11-01 |
| 4362221 | Vehicle drive wheel suspension | — | 1982-12-07 |
| 4343375 | Vehicle drive wheel suspension | — | 1982-08-10 |
| 4248455 | Heavy-duty suspension system | — | 1981-02-03 |