Assignee
Inventors
- Robert Mousel (4 patents)
- Carlo Lux (3 patents)
- Francois Knaff (2 patents)
- Henri Klein (12 patents)
- Romain Henrion (17 patents)
- Carlo Heintz (8 patents)
- Michel Decker (2 patents)
- Andre Bock (11 patents)
US Patent 4993691 · Granted Feb 19, 1991