Assignee
Inventors
- Vincent Stefan David Gielen (55 patents)
- Anna Wilhelmina Maria Wondergem-De Best (6 patents)
- Nicolaas Antonie Van Rijswijk (9 patents)
- Rene Theodorus Wegh (55 patents)
- Gerardus Everardus Marie Hannen (6 patents)
US Patent 11175022 · Granted Nov 16, 2021