Assignee
Inventors
- Ludwig Schroder (14 patents)
- Werner Stransky (25 patents)
- Rudolf Mengel (10 patents)
- Erich Raddatz (2 patents)
- Sigmund Lust (11 patents)
- Gerbert Linden (9 patents)
- Gerhart Schneider (7 patents)
US Patent 4944791 · Granted Jul 31, 1990