Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459778 | Skate guard | — | 2002-07-02 |
| D282117 | Face protecting mask | Lars Persson | 1986-01-14 |
| D280460 | Face protecting mask | Lars Persson | 1985-09-10 |
| 4382615 | Ice skate guard | Lars Persson | 1983-05-10 |
| D266795 | Visor | — | 1982-11-09 |
| D265674 | Guard for skate blade | Lars Persson | 1982-08-03 |
| D261074 | Visor for attachment to helmet or the like | — | 1981-10-06 |