IN-EAR HEARING PROTECTION SYSTEM
Publication
EP4072487A1
Kind: A1
Mar 18, 2026
Applicants
3M Innovative Properties Company
Inventors
HENRY, Paul D.
IPC Classifications
A61F 11/08 20060101AFI20210618BHEP
A61F 11/14 20060101ALI20210618BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR