Assignee
Inventors
- Seppo I. Blomquist (1 patents)
- Markku T. Saarela (2 patents)
- Hannu Pouru (2 patents)
- Bror Nyman (53 patents)
- Kaj Lindroos (2 patents)
- Timo T. Koivunen (2 patents)
- Sigmund Fugleberg (18 patents)
US Patent 4526650 · Granted Jul 2, 1985