Assignee
Inventors
- Daniel Chambaere (5 patents)
- Wilfried Coppens (14 patents)
- Hugo Lievens (18 patents)
- Roger De Gryse (3 patents)
- Alex Colpaert (2 patents)
- Joost Vennik (3 patents)
- Robert Hoogewijs (3 patents)
- Norbert Van Wassenhove (2 patents)
US Patent 4935115 · Granted Jun 19, 1990