Assignee
Inventors
- Pierre Lefrancier (22 patents)
- Monique Parant (7 patents)
- Francoise Audibert (17 patents)
- Edgar Sache (3 patents)
- Louis Chedid (23 patents)
- Jean Choay (38 patents)
- Edgar Lederer (14 patents)
US Patent 4461761 · Granted Jul 24, 1984