P

Inventor

RUAN YONGHONG

US9 patents
⚠️ This page may combine multiple inventors who share the name “RUAN YONGHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONEYWELL INT INC

7 patents

BUILDING MATERIALS INVEST CORP

1 patent

ROTZ STEVEN

1 patent