Assignee
Inventors
- Dietrich Wienke (20 patents)
- Roelof Marissen (55 patents)
- Martinus Johannes Nicolaas Jacobs (18 patents)
- Wilheimus Gerardus Marie Bruls (1 patents)
- Francois Antoine Marie Op Den Buijsch (4 patents)
- Leonardus Jacobus Johannus Welzen (5 patents)