Assignee
Inventors
- Wilhelm Grimm (6 patents)
- Wilhelm Hübscher (2 patents)
- Harald Vetter (18 patents)
- Gerhard Hiemer (2 patents)
- Edmund Schirmer (6 patents)
- Hermann Kilian (6 patents)
- Hermann Baumel (4 patents)
- George Dietrich (3 patents)
US Patent 8416556 · Granted Apr 9, 2013