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Inventor

CHAI SIE-YEARL

US16 patents
⚠️ This page may combine multiple inventors who share the name “CHAI SIE-YEARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMERICAN HOME PROD

12 patents

WYETH CORP

2 patents

JOHN WYETH & BROTYHER LIMITED

1 patent

WYETH JOHN & BROTHER LTD

1 patent