Assignee
Inventors
- Christof Angst (6 patents)
- Derek Brundish (6 patents)
- Unknown
- Graham E. Fagg (2 patents)
- Hans Allgeier (24 patents)
- Guido Bold (62 patents)
- Rudolf Duthaler (20 patents)
- Roland Heckendorn (8 patents)
- Antonio Togni (12 patents)
US Patent 5175344 · Granted Dec 29, 1992