Inventor

SJÖMAN HENRIK J

SE3 patents

⚠️ This page may combine multiple inventors who share the name “SJÖMAN HENRIK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

3M INNOVATIVE PROPERTIES COMPANY

1 patent

US12470903B2Nov 11, 2025

Personal protective equipment communication systems and methods

3M INNOVATIVE PROPERTIES COMPANY0 citations53

SJÖMAN HENRIK J

1 patent

US9131310B2Sep 8, 2015

Hearing protector

SJÖMAN HENRIK J3 citations50

3M INNOVATIVE PROPERTIES CO

1 patent

US10016306B2Jul 10, 2018

Hearing device containing hidden FM-receiver antenna

3M INNOVATIVE PROPERTIES CO0 citations42