Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980433 | Calf-specific exerciser | — | 1999-11-09 |
| 5092607 | Ballistic impact indicator | George D. Chappell | 1992-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980433 | Calf-specific exerciser | — | 1999-11-09 |
| 5092607 | Ballistic impact indicator | George D. Chappell | 1992-03-03 |