Assignee
Inventors
- Gijsbertus A. C. M. Spierings (18 patents)
- Poul K. Larsen (6 patents)
- Jan Baptist Petrus Henricus Van Der Putten (2 patents)
- Johannes Maria Marcus Busio (2 patents)
- Frederik Hendrik In 'T Veld (2 patents)
- Lambertus Postma (14 patents)