Assignee
Inventors
- Wilhelmus Petrus Johannes Appel (3 patents)
- Carel Frederik Constantijn FITIÉ (3 patents)
- Atze Jan Nijenhuis (14 patents)
- Beert Jacobus Keestra (7 patents)
- Josien Krijgsman (6 patents)
- Michel Henri Chrétien Joseph Van Houtem (2 patents)
- Henricus Marie Janssen (21 patents)