Assignee
Inventors
- Emmanuel Delbe (5 patents)
- Francois Gillet (8 patents)
- Etienne Serot (2 patents)
- Raymond Chifflet (7 patents)
- Roland Allio (5 patents)
- Philippe Jeantin (5 patents)
- Gilbert Del Fabro (3 patents)
- Guy Forella (7 patents)
US Patent 4877229 · Granted Oct 31, 1989