Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6102021 | Baseball inserter for pitching machines | Barry Sanders, Ross D. Beers, Frank E. Hill | 2000-08-15 |
| 6026798 | Professional batting training machine | Barry Sanders, Ross D. Beers, Frank E. Hill | 2000-02-22 |