Assignee
Inventors
- Hendrikus Van Lierop (20 patents)
- Antonius Johannes Maria Nellissen (18 patents)
- Hermanus M. J. R. Soemers (22 patents)
- Johannes Antonius Theodorus Gollatz (1 patents)
- Hans Reinten (44 patents)
US Patent 7942501 · Granted May 17, 2011