Assignee
Inventors
- Maribel Guerra Vallespi (4 patents)
- Isis del Carmen Torréns Madrazo (2 patents)
- Unknown
- Hilda Elisa Garay Pérez (4 patents)
- Gerardo Enrique Guillen Nieto (7 patents)
- Boris Ernesto Acevedo Castro (3 patents)
- Unknown
US Patent 8283324 · Granted Oct 9, 2012