Assignee
Inventors
- Paul Niebes (7 patents)
- Andras Vincze (2 patents)
- Joseph L. Roba (12 patents)
- Georges E. Lambelin (12 patents)
- Daniel M. Matagne (3 patents)
- Etienne Hanon (2 patents)
- Michel Franz (7 patents)
US Patent 4285964 · Granted Aug 25, 1981