86386822
Sep 5, 2014
Jul 28, 2015
Electronic device incorporating a display monitor for monitoring and measuring the amount of electrical activity in human muscle contractions for use in musical instrument playing instruction and athletic performance enhancement, for non-medical purposes
Electrical and Scientific ApparatusElectronic device incorporating a display monitor for monitoring and measuring the amount of electrical activity in human muscle contractions for use in musical instrument playing instruction and athletic performance enhancement, for medical purposes
Medical Apparatus