Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12157045 | Vibration damping coupler for a ball bat | Blair J. Ellington, Grant Douglas, Kaitlin Shreffler, Brent Weidenbach, Liangzheng Zhou | 2024-12-03 |
| 11602680 | Ball bat with handle having lightening structures | Blair J. Ellington, Kaitlin Shreffler, Brent Weidenbach | 2023-03-14 |
| 11364425 | Ball bat having asymmetrical barrel composition or construction | Grant Douglas, Blair J. Ellington, William B. Giannetti, Jay Michael Helmick, Hugh Tompkins +1 more | 2022-06-21 |