Patents/Inventors

Oscar L. Kårekull

HuskvarnaSE2 patents

3 Patents

US122958132025
Dual Hearing Protection System
3M Innovative Properties Company
0 cites
US121939142025
Hearing Protection Device for Protection in Different Hearing Situations, Controller for Such Device, and Method for Switching Such Device
3M Innovative Properties Company
0 cites
US119638492024
Dual Hearing Protection System
3M Innovative Properties Company
0 cites