Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836412 | Method of assembling a golf car | Thomas W. Lyles, Robert A. Courtwright, Daniel C. Allen | 1998-11-17 |
| 5570751 | Air intake system for an internal combustion engine | Robert A. Courtwright | 1996-11-05 |
| 5556441 | Air filter for internal combustion engine | Robert A. Courtwright | 1996-09-17 |
| D355482 | Air filter for an internal combustion engine | — | 1995-02-14 |