Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154011 | Cross country ski boot with a covering flap | Klaus Holzl, Otakar Baburek | 1992-10-13 |
| 5078419 | Sole-support device | Heinz Wittmann, Henry Freisinger, Egon Brunnhuber, Tibor Szasz, Hubert Wurthner +5 more | 1992-01-07 |
| 4907353 | Cross-country ski boot | Heinz Wittmann, Karl Stritzl, Franz Luschnig, Alois Himmetsberger | 1990-03-13 |