Inventor

SHEPARD FRANK W

US2 patents

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

BAKER HUGHES INC

1 patent

US7477161B2Jan 13, 2009

Bidirectional telemetry apparatus and methods for wellbore operations

BAKER HUGHES INC25 citations89

MACPHERSON JOHN D

1 patent

US8248266B2Aug 21, 2012

Bidirectional telemetry apparatus and methods for wellbore operations

MACPHERSON JOHN D9 citations80