Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D416111 | Ball glove webbing | — | 1999-11-02 |
| 5951420 | Safety ball | Matthew Arndt, Richard Grapenthin | 1999-09-14 |
| D413414 | Ball glove | — | 1999-08-31 |
| 5807193 | Adjustable ball backstop | Matthew Arndt, Richard Grapenthin | 1998-09-15 |