Assignee
Inventors
- John-Bryan Speakman (18 patents)
- Rudolf Karl (4 patents)
- Gisela Lorenz (377 patents)
- Eberhard Ammermann (454 patents)
- Bruno Wuerzer (235 patents)
- Norbert Meyer (103 patents)
- Klaus Ditrich (50 patents)
US Patent 4983587 · Granted Jan 8, 1991