Assignee
Inventors
- Francisco J. Dias (19 patents)
- Ashok K. Gupta (19 patents)
- Erno Gyarmati (10 patents)
- Marian Kampel (4 patents)
- Hartmut Luhleich (13 patents)
- Rudolf Munzer (6 patents)
- Aristidis Naoumidis (1 patents)
US Patent 4265843 · Granted May 5, 1981