Assignee
Inventors
- Karl S. Bengtsson (2 patents)
- Thomas Hogberg (9 patents)
- Lars George Johansson (10 patents)
- Tomas DePaulis (1 patents)
- Hans Eric Peter Strom (3 patents)
- Marianne E. Widman (1 patents)
- Sven O. gren (5 patents)
US Patent 5240957 · Granted Aug 31, 1993