Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352208 | Electronic home plate for baseball and softball games and method for automatic determination of presence, position and speed of a ball relative to the strike zone | Christopher C. Davis, John Robertson Rzasa, Leroy B. Chamberlain, Jr., Jakob R. Scharmer | 2016-05-31 |
| 5911308 | Sports safety mask | Steven R. Chafitz | 1999-06-15 |
| 5335371 | Baseball infielder's mask | — | 1994-08-09 |