Assignee
Inventors
- Emil Buchschmid (8 patents)
- Anton Frenznick (7 patents)
- Klaus Lindner (8 patents)
- Olaf Schmid (6 patents)
- Hans-Dieter Schmid (21 patents)
- Gerhard Schmidt (114 patents)
- Theodor Sturm (7 patents)
US Patent 4926150 · Granted May 15, 1990