Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Dae Gon Han
Daejeon
KR
3 patents
2 Patents
US12594518
2026
Air Purification Apparatus
KHANFILTER, Inc.
0 cites
US11885527
2024
Air Purification Device
KHANFILTER, Inc.
0 cites