Assignee
Inventors
- Erik Roelof Loopstra (328 patents)
- Jan Bernard Plechelmus Van Schoot (51 patents)
- Timotheus Franciscus Sengers (60 patents)
- Christiaan Louis Valentin (10 patents)
- Antonius Johannes Josephus Van Dijsseldonk (33 patents)
US Patent 9958787 · Granted May 1, 2018