P

Inventor

BI DAYAN

CN11 patents
⚠️ This page may combine multiple inventors who share the name “BI DAYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMITH CORP A O

8 patents

QIU BU

1 patent

CHENG YONGHUA

1 patent

SMITH A O CHINA WATER HEATER

1 patent