Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146289 | Powered movable hitting tee | Joseph Murphy Miller, Dillon Glenn Lee | 2000-11-14 |
| 5848945 | Powered moveable batting tee | Joseph Murphy Miller, Dillon Glenn Lee | 1998-12-15 |