Assignee
Inventors
- Maria Andersson (4 patents)
- Gudrun Backstrom (4 patents)
- Ulla Engstrom (2 patents)
- Carl-Henrik Heldin (41 patents)
- Ulf Hellman (12 patents)
- Arne stman (2 patents)
- Bengt Westermark (6 patents)
US Patent 5326695 · Granted Jul 5, 1994