Assignee
Inventors
- Jindrich Kopecek (19 patents)
- Pavla Rejmanova (1 patents)
- Jiri Strohalm (4 patents)
- Karel Ulbrich (9 patents)
- Blanka Rihova (5 patents)
- Vladimir Chytry (1 patents)
- John B. Lloyd (1 patents)
- Ruth Duncan (13 patents)
US Patent 5037883 · Granted Aug 6, 1991