HIMPP Nit01 Title: Portable device, charging system, and power source circuit substrate
Patent Family: US10218223
HIMPP Nit02 Title: Hearing aid
Patent Family: US10555092
Hearing Instrument Manufacturers Patent Partnership
HIMPP Nit01 Title: Portable device, charging system, and power source circuit substrate
Patent Family: US10218223
HIMPP Nit02 Title: Hearing aid
Patent Family: US10555092