Assignee
Inventors
- Reinhold Brand (24 patents)
- Bernd Engler (35 patents)
- Martin Foerster (18 patents)
- Werner Hartmann (96 patents)
- Peter Kleinschmit (136 patents)
- Edgar Koberstein (45 patents)
- Johannes Ohmer (5 patents)
- Rudolf Schwarz (36 patents)
US Patent 5120701 · Granted Jun 9, 1992