Inventor

POSEVINA LISA L

US2 patents

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

BAKER HUGHES INC

1 patent

US7934559B2May 3, 2011

Single cycle dart operated circulation sub

BAKER HUGHES INC24 citations89

HERN GREGORY L

1 patent

US8511375B2Aug 20, 2013

Wellbore cleaning devices

HERN GREGORY L10 citations80