Assignee
Inventors
- Georg Assmann (12 patents)
- Bernhard Gutsche (44 patents)
- Wilhelm Johannisbauer (18 patents)
- Richard Ridinger (4 patents)
- Jean-Pierre Rigal (24 patents)
- Rene Armengaud (3 patents)
- Bernard Cormary (2 patents)
US Patent 5225084 · Granted Jul 6, 1993