GENEVA, Nov. 24 -- 3M INNOVATIVE PROPERTIES COMPANY (3M CenterPost Office Box 33427Saint Paul, Minnesota 55133-3427) filed a patent application (PCT/IB2025/054966) for "HEARING PROTECTION DEVICE, SYSTEM AND METHOD" on May 13, 2025. With publication no. WO/2025/238520, the details related to the patent application was published on Nov 20, 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): GUSTAFSSON, Kristina (3M CenterPost Office Box 33427Saint Paul, Minnesota 55133-3427), MANGAM, Abel Gladstone (3M CenterPost Office Box 33427Saint Paul, Minnesota 55133-3427)

Abstract: A hearing protection dev...