Assignee
Inventors
- Johan Pieter Marinus Sanders (14 patents)
- Johannes A. van den Berg (7 patents)
- Peter Michael Andreoli (9 patents)
- Yvonne Johanna Vos (7 patents)
- Jan Van Ee (30 patents)
- Leo J. S. M. Mulleners (7 patents)
US Patent 5238833 · Granted Aug 24, 1993