Assignee
Inventors
- Manfred Degen (1 patents)
- Ludwig Gunther (2 patents)
- Hans-Jürgen Heinrich (7 patents)
- Roland Thiemer (1 patents)
- Franz-Josef Haffmans (1 patents)
- Willibert Nusser (1 patents)
- Manfred Weidlich (1 patents)
- Peter Wiemer (7 patents)
US Patent 5771825 · Granted Jun 30, 1998