Assignee
Inventors
- Juan Pablo Pivel Ranieri (2 patents)
- Antonio F. Guerrero Gomez-Pamo (1 patents)
- Luis Llamas (2 patents)
- Jesus A. Armendariz (1 patents)
- Juan A. Leal Ojeda (1 patents)
- Carmen G. Benito (1 patents)
US Patent 5252728 · Granted Oct 12, 1993