Assignee
Inventors
- Stephan Trumm (12 patents)
- Karl Huber (5 patents)
- Ferdinand Schreder (1 patents)
- Erich Koell (1 patents)
- Herbert Schuster (9 patents)
- Reiner Beck (1 patents)
- Herbert Zinner (18 patents)
- Werner Mueller (24 patents)
US Patent 10274749 · Granted Apr 30, 2019