Assignee
Inventors
- Ulrike Kufner-Muhl (9 patents)
- Karl-Heinz Weber (48 patents)
- Gerhard Walther (40 patents)
- Werner Stransky (25 patents)
- Helmut Ensinger (23 patents)
- Gunter Schingnitz (14 patents)
- Franz J. Kuhn (30 patents)
- Erich Lehr (26 patents)
US Patent 5688802 · Granted Nov 18, 1997