P

Inventor

STEPHENSON CHRISTOPHER J

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

BJ SERVICES CO

6 patents

BAKER HUGHES INC

3 patents

BAKER HUGHES A GE CO LLC

2 patents

KAUFMAN PHILLIP B

2 patents