Assignee
Inventors
- Franz Merger (148 patents)
- Ernest Miesen (7 patents)
- Franz J. Broecker (20 patents)
- Wolfgang Schroeder (33 patents)
- Karl Baer (10 patents)
- Juergen Paetsch (10 patents)
- Leopold Hupfer (42 patents)
US Patent 4386219 · Granted May 31, 1983