Assignee
Inventors
- Berthold Beyfuss (29 patents)
- Alfred Radina (30 patents)
- Jonas Schierling (23 patents)
- Hans-Juergen Friedrich (36 patents)
- Fred Fuchs (1 patents)
- Armin Olschewski (133 patents)
- Carl Vissers (3 patents)
US Patent 8864243 · Granted Oct 21, 2014