Assignee
Inventors
- Ortwin Muller (11 patents)
- Kurt S. Schulz (14 patents)
- Albrecht Vogel (24 patents)
- Gerhard Hanemann (4 patents)
- Gerhard Muller (106 patents)
- Gunther Kurbitz (5 patents)
- Arnold Guttner (2 patents)
US Patent 4582405 · Granted Apr 15, 1986