Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623313 | System and method to pitch volleyballs | Douglas L. Boehner | 2017-04-18 |
| 9579554 | System and method to pitch balls using one powered wheel | Douglas L. Boehner | 2017-02-28 |