Assignee
Inventors
- Alois Himmetsberger (25 patents)
- Radko Pavlovec (5 patents)
- Heinz Wittmann (34 patents)
- Hubert Wuerthner (28 patents)
- Tibor Szasz (11 patents)
- Kurt Liedl (2 patents)
- Roland Erdei (15 patents)
US Patent 4681339 · Granted Jul 21, 1987