Assignee
Inventors
- Hans-Heiner Lautenschlager (17 patents)
- Harald Borbe (10 patents)
- Gerrit Prop (13 patents)
- Ferdinand Wirtz-Peitz (3 patents)
- Ille-Stephanie Doppelfeld (7 patents)
- Michael Parnham (16 patents)
US Patent 4565659 · Granted Jan 21, 1986