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Inventor

DUNCALF DAVID JOHN

GB7 patents
⚠️ This page may combine multiple inventors who share the name “DUNCALF DAVID JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CONOPCO INC

2 patents

DUNCALF DAVID JOHN

2 patents

SOC CHIMICA BUSSI S P A

1 patent

ELPHICK ANDREW JAMES

1 patent

COOPER ANDREW IAN

1 patent