Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671935 | Air bag and manufacturing method therefor | Johann Berger | 1997-09-30 |
| 5203034 | Operating device for protective helmets | — | 1993-04-20 |
| 5091997 | Protective helmet, with pivoting and locking visor mechanism, particularly for motorcyclists | — | 1992-03-03 |