Assignee
Inventors
- Alfred Oftring (99 patents)
- Stefan Birnbach (11 patents)
- Rolf Fikentscher (50 patents)
- Richard Baur (87 patents)
- Alexander Kud (38 patents)
- Ulrich Goeckel (7 patents)
- Johannes Perner (43 patents)
US Patent 5025103 · Granted Jun 18, 1991