Rubiano Fonseca, A. (Inventor), Rey Cubillos , J. A. (Inventor) & Llano Sánchez, L. E. (Inventor),
29 Jun 2012, (Accepted/In press) IPC No. H04R 19/ 01 A I, Patent No. CO6470102,
30 Dec 2010, Priority date
30 Dec 2010, Registry No. CO20100164988
Research output: Innovation Products › Invention patent