Assignee
Inventors
- Josef Langhoff (8 patents)
- Hermann Krischke (1 patents)
- Horst Geldmacher (1 patents)
- Manfred Golomb (1 patents)
- Karl-Heinz Kamp (1 patents)
- Peter Masuch (1 patents)
- Rolf Chalupnik (1 patents)
US Patent 4715809 · Granted Dec 29, 1987