Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648827 | Method of confirming performer of exercise | Ilkka Heikkila, Seppo Nissila | 2003-11-18 |
| 6428476 | Method of confirming performer of exercise | Ilkka Heikkila, Seppo Nissila | 2002-08-06 |