Assignee
Inventors
- Gerrit Op Den Dries (2 patents)
- Martin Jaco Soeters (1 patents)
- Marcellinus Adrianus Klaverveld (1 patents)
- Eduard Hendricus Schlarmann (6 patents)
- Guido Theodorus Fridiswidus Maria Van Dooremal (1 patents)
US Patent 6300528 · Granted Oct 9, 2001