Assignee
Inventors
- Upali Bandara (6 patents)
- Gerhard Elsner (8 patents)
- Volker Heinrich (8 patents)
- Holger Hinkel (14 patents)
- Artur Lang (2 patents)
- Erwin J. Prinz (21 patents)
- Werner Steiner (22 patents)
- Werner Zapka (7 patents)
US Patent 4724392 · Granted Feb 9, 1988