Assignee
Inventors
- Vittorio Pestellini (13 patents)
- Mario Ghelardoni (9 patents)
- Danilo Giannotti (9 patents)
- Alessandro Giolitti (6 patents)
- Adriano Barzanti (1 patents)
- Rossella Ciappi (1 patents)
- Carlo Ortolani (1 patents)
US Patent 4800208 · Granted Jan 24, 1989