Assignee
Inventors
- Hendrik van Bokhorst (14 patents)
- Albertus Maria Claessen (17 patents)
- Wilhelmus Diepstraten (34 patents)
- Johannes P. N. Haagh (7 patents)
- Hendrik Moelard (10 patents)
- Leo Monteban (13 patents)
- Rienk Mud (7 patents)
US Patent 6192230 · Granted Feb 20, 2001