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Inventor

LANG DAVID JOHN

US13 patents
⚠️ This page may combine multiple inventors who share the name “LANG DAVID JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CONOPCO INC

5 patents

LEVER BROTHERS CO

3 patents

UNILEVER HOME & PERSONAL CARE

2 patents

LEVER BROTHERS LTD

2 patents

LIU HONGJIE

1 patent