P

Inventor

ZHAO WENZHU

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

PROCTER & GAMBLE

6 patents

HAUGHT JOHN CHRISTIAN

1 patent

PREC GROUP LIMITED

1 patent

LAUGHLIN II LEO TIMOTHY

1 patent