79074295
Jul 14, 2009
Mar 1, 2011
Optical apparatus and instruments and components of such goods, namely, optical glasses with an auditory display and head-mounted auditory displays, namely, optical glasses
Electrical and Scientific ApparatusMedical apparatus and instruments, namely, a mobility aid for blind or visually impaired people, namely, an auditory display device comprised of image sensors and integrated circuits for translating image data into auditory information relating to distance and direction
Medical Apparatus