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Inventor

WILLINGHAM JOHN R

US15 patents
⚠️ This page may combine multiple inventors who share the name “WILLINGHAM JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

7 patents

HUANG TIANPING

4 patents

CREWS JAMES B

2 patents

INDEPENDENCE OILFIELD CHEMICALS LLC

2 patents