Assignee
Inventors
- Eric K. Baylis (15 patents)
- Ludwig Maier (39 patents)
- Stuart J. Mickel (18 patents)
- Hans-Rudolf Olpe (5 patents)
- Helmut Bittiger (6 patents)
- Wolfgang Frostl (21 patents)
- Roger Graham Hall (66 patents)
US Patent 5190933 · Granted Mar 2, 1993