Assignee
Inventors
- Roelof Ary Lans Bovenberg (19 patents)
- Bertus Pieter Koekman (4 patents)
- Andreas Hoekema (15 patents)
- Jan Metske Van Der Laan (30 patents)
- Jan Verweij (14 patents)
- Erik De Vroom (10 patents)
US Patent 5726032 · Granted Mar 10, 1998