Assignee
Inventors
- Peter Martens (6 patents)
- Johannes C. Driessen (15 patents)
- Antonius Johannes Josephus Rademakers (9 patents)
- Petrus H. F. Trompenaars (22 patents)
- Theunis S. Baller (12 patents)
- Unknown
- Nicolaas Lambert (80 patents)
- Siebe Tjerk De Zwart (74 patents)
- Edwin A. Montie (14 patents)