Assignee
Inventors
- Johannes Adrianus Antonius Theodorus Dams (18 patents)
- Dirk Hendrikus Marinus ENGELEN (1 patents)
- Peter Michel Silvester Maria Heijmans (8 patents)
- Simon Bernardus Cornelis Maria Martens (2 patents)
- Hans Butler (152 patents)
- Antonius Franciscus Johannes De Groot (29 patents)