Assignee
Inventors
- Ewald Feuerstacke (17 patents)
- Helmut Schlechtriem (2 patents)
- Ulrich Urlau (21 patents)
- Wolfgang Reichelt (23 patents)
- Karl-Heinz Spitzer (25 patents)
- Paul Freier (3 patents)
- Frank Koch (36 patents)
- Joachim Koch (4 patents)
US Patent 5740852 · Granted Apr 21, 1998