Assignee
Inventors
- Jérôme Emile Georges Guillemont (106 patents)
- Ludo Edmond Josephine Kennis (58 patents)
- Josephus Carolus Mertens (27 patents)
- Jacobus Alphonsus Josephus Van Dun (19 patents)
- Maria Victorina Francisca Somers (18 patents)
- Unknown
US Patent 10150757 · Granted Dec 11, 2018