Assignee
Inventors
- Michel Grenier (7 patents)
- Jean-Etienne De La Gorce (1 patents)
- Daniel Cieplinski (3 patents)
- Gerard Leturgie (2 patents)
- Yvers Thurin (1 patents)
- Laurent Meret (3 patents)
- Christian Doireau (2 patents)
US Patent 4895227 · Granted Jan 23, 1990