Assignee
Inventors
- Lucien A. De Schamphelaere (24 patents)
- Etienne M. De Cock (25 patents)
- Werner E. De Bondt (2 patents)
- Freddy M. Librecht (9 patents)
- Gerard Boeve (11 patents)
- Willy F. Van Peteghem (8 patents)
US Patent 4536778 · Granted Aug 20, 1985