Assignee
Inventors
- Paul Royston Harvey (57 patents)
- Johannes Adrianus Overweg (61 patents)
- Cornelis Leonardus Gerardus Ham (45 patents)
- Nicolaas Bernardus Roozen (16 patents)
- Patrick Willem Paul Limpens (7 patents)
US Patent 7193416 · Granted Mar 20, 2007