Envoy Medical Secures New U.S. Patent for Innovative Cochlear Implant System Featuring a Removable Earplug Sensor and an Implanted BatteryPatent adds to Envoy Medical's expanding intellectual property portfolio, reinforcing the Company's leadership in next generation cochlear implant innovationNovember 20, 2025 8:00 AM EST | Source: Envoy Medical, Inc.White Bear Lake, Minnesota--(Newsfile Corp. - November 20, 2025) - Envoy Medical® Inc. (NASDAQ: COCH) ("Envoy Medical" or the "Company"), a hear ...