Assignee
Inventors
- Jacobus Petrus Cornelis De Wit (6 patents)
- Cornelis Maria Petrus Van Dun (30 patents)
- Joannes Wilhelmus Schut (1 patents)
- Petrus Lambertus Josephus Egelmeers (3 patents)
- Robert Helene Ghislain Dirks (23 patents)
US Patent RE44698 · Granted Jan 7, 2014