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Inventor

DUCHEK JOHN R

US6 patents
⚠️ This page may combine multiple inventors who share the name “DUCHEK JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MALLINCKRODT INC

3 patents

MALLINCKRODT SPEC CHEM

2 patents

MALLINCKODT INC

1 patent