Inventor

NOH DONG-SUN

KR5 patents

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

CHOI DONG-IL

3 patents

USD678508SMar 19, 2013

3M INNOVATIVE PROPERTIES CO

1 patent

US9408424B2Aug 9, 2016

Filtering face-piece respirator having a face seal comprising a water-vapor-breathable layer

3M INNOVATIVE PROPERTIES CO22 citations88

LEE JIN-HO

1 patent

US9027554B2May 12, 2015

Respirator having foam shaping layer with recessed regions surrounding air passageways

LEE JIN-HO5 citations69

NOH DONG-SUN

CHOI DONG-IL

Filter cartridge intake profile

Filter cartridge

Filter cartridge louver

3M INNOVATIVE PROPERTIES CO

Filtering face-piece respirator having a face seal comprising a water-vapor-breathable layer

LEE JIN-HO

Respirator having foam shaping layer with recessed regions surrounding air passageways