Assignee
No assignee recorded.
Inventors
- Christophorus Joannes Lambertus Maria Meijer (8 patents)
- Adrianus Johannes Christiaan van den Brule (3 patents)
- Unknown
- Petrus Josephus Ferdinandus Snijders (8 patents)
US Patent 6352825 · Granted Mar 5, 2002
No assignee recorded.