GENEVA, Dec. 9 -- 3M INNOVATIVE PROPERTIES COMPANY (3M CenterPost Office Box 33427Saint Paul, Minnesota 55133-3427) filed a patent application (PCT/IB2025/055010) for "SPEECH ENHANCEMENT SYSTEM AND METHOD" on May 13, 2025. With publication no. WO/2025/248369, the details related to the patent application was published on Dec 04, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): STEPHANY, Gary R. (3M CenterPost Office Box 33427Saint Paul, Minnesota 55133-3427)

Abstract: A hearing protection apparatus includes means for defining a sound attenuation area that includes an eardrum of a user, means...