Assignee
Inventors
- Robert L. Stephen (25 patents)
- Manfred Stohrer (2 patents)
- Umberto Fontanella (2 patents)
- Donald Griffith (15 patents)
- Franco Lugnani (7 patents)
- Cino Rossi (8 patents)
- Silvio Eruzzi (8 patents)
US Patent 5779661 · Granted Jul 14, 1998