Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896646 | Automated feeder for a ball propelling machine | Thomas C. Kahelin | 1990-01-30 |
| 4705014 | Variable speed single-wheeled ball propelling machine | — | 1987-11-10 |
| 4423717 | Variable double wheel ball propelling machine | — | 1984-01-03 |