Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094453 | Ball bat with inward off-set center of gravity | William J. Prosser | 1992-03-10 |
| 4993708 | Batting tee | William Prossor | 1991-02-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094453 | Ball bat with inward off-set center of gravity | William J. Prosser | 1992-03-10 |
| 4993708 | Batting tee | William Prossor | 1991-02-19 |