Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560781 | Baseball catcher's foot and toe guard | Scott Keene, Daniel J. Cullinane | 2003-05-13 |
| D385663 | Catcher's cap | Dennis V. Hefling | 1997-10-28 |
| 5575017 | Adjustable baseball batter's helmet | Dennis V. Hefling, Matthew Winningham, Randy D. Black | 1996-11-19 |