Assignee
No assignee recorded.
Inventors
- Bastiaan Martinus Cornelis ALBERS (3 patents)
- Niels Antonio William Koster (5 patents)
- Jan Johannes Meerdink (16 patents)
- Unknown
- Franciscus Theodorus Henricus Johannes Van Der Steen (19 patents)
- Leonardus Jozephus Antonius Tiggeloven (13 patents)