Assignee
Inventors
- Cornelius Antonius Hezemans (16 patents)
- Bernardus Hendrikus Wilhelmus Hendriks (174 patents)
- Waltherus Cornelis Jozef Bierhoff (34 patents)
- Augustinus Laurentius Braun (8 patents)
- Nenad Mihajlovic (16 patents)
US Patent 8717654 · Granted May 6, 2014