Assignee
Inventors
- Gilbert Bertrand (1 patents)
- Gerard Colin (6 patents)
- Gerard Cottet (1 patents)
- Guy Dupoyet (3 patents)
- Pierre Gasperment (1 patents)
- Andre Klein (11 patents)
- Georges L. Michel (2 patents)
- Jean-Marc Truchot (1 patents)
US Patent 4849083 · Granted Jul 18, 1989