Assignee
Inventors
- Berthold Keggenhoff (23 patents)
- Jeffrey Bolton (12 patents)
- Friedhelm Steffens (36 patents)
- Marc Seekamp (3 patents)
- Gerhard Ruffert (4 patents)
- Jürgen Kern (7 patents)
- Thomas Runowski (5 patents)
US Patent 10143987 · Granted Dec 4, 2018