Assignee
Inventors
- Manuel De Castro Nodal (4 patents)
- Carlos Cerezo Pancorbo (5 patents)
- Rafael Dominguez Casado (4 patents)
- Cesar Grueso Diez (2 patents)
- Manuel Huertas Garcia (4 patents)
- Bonifacio Robledo Sacristan (2 patents)
US Patent 6616101 · Granted Sep 9, 2003