P

Inventor

QIAN GUOQIANG

US15 patents
⚠️ This page may combine multiple inventors who share the name “QIAN GUOQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

POLYONE CORP

5 patents

AMCOL INTERNATIONAL CORP

3 patents

QIAN GUOQIANG

3 patents

LIU YONGFENG

2 patents

JARUS DAVID A

1 patent

YIXING PIONIERE ENVIRONMENTAL PROT EQUIPMENT CO LTD

1 patent