Assignee
Inventors
- Frieder Gnad (2 patents)
- Stefan Schmitt (4 patents)
- Hermann Mueller-Boetticher (3 patents)
- Helmut Heitger (7 patents)
- Seigfried Meineck (1 patents)
- Rolf Dach (10 patents)
- Ingo Heddesheimer (6 patents)
US Patent 8993770 · Granted Mar 31, 2015