Assignee
Inventors
- Rolf-Volker Meyer (94 patents)
- Rolf Dhein (131 patents)
- Martin Wandel (12 patents)
- Harald Selbeck (8 patents)
- Friedrich Fahnler (24 patents)
- Hans-Detlef Heinz (33 patents)
- Peter Muller (35 patents)
US Patent 4959452 · Granted Sep 25, 1990