Assignee
Inventors
- Gerald Hofer (45 patents)
- Eberhard Hofmann (24 patents)
- Helmut Laufer (48 patents)
- Francois Rossignol (23 patents)
- Reinhard Schwartz (22 patents)
- Max Straubel (55 patents)
- Raymond Tissot (3 patents)
US Patent 4630587 · Granted Dec 23, 1986