Assignee
Inventors
- Nigel C. Phillips (23 patents)
- Francoise Audibert (17 patents)
- Jean-Marie Bernard (51 patents)
- Louis Chedid (23 patents)
- Pierre Lefrancier (22 patents)
- Michel Level (3 patents)
- Monique Parant (7 patents)
US Patent 4939122 · Granted Jul 3, 1990