Assignee
Inventors
- Spitaler Engelbert (1 patents)
- Wittmann Heinz (1 patents)
- Alois Himmetsberger (25 patents)
- Henry Freisinger (34 patents)
- Helmut Wladar (21 patents)
- Andreas Janisch (23 patents)
- Karl Stritzl (60 patents)
- Roland Erdei (15 patents)
US Patent 5197752 · Granted Mar 30, 1993