Assignee
Inventors
- Dirk Valentinus René Engelen (79 patents)
- Jente De Pee (1 patents)
- Gerardus Henricus Adrianus Johannes Broeksteeg (5 patents)
- Annemarie Paulien Buddemeijer-Lock (4 patents)
- TESS SPEELPENNING (2 patents)
US Patent 9727517 · Granted Aug 8, 2017