Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9943740 | Variable weight training bat for increasing the bat speed of a batter | Fred T. Mayers, III, Jake Mayers | 2018-04-17 |
| 6254498 | Instructional device with adjustable ball-striking sleeve | — | 2001-07-03 |
| D404097 | Practice bat | — | 1999-01-12 |