Assignee
Inventors
- Johannes K. E. Colditz (7 patents)
- Willem H. Diemer (5 patents)
- Laurens H. J. Jonk (1 patents)
- Engelbertus Rongen (3 patents)
- Johannes W. J. M. Scheuermann (3 patents)
- Henricus M. De Vrieze (7 patents)
- August L. H. Simons (4 patents)