Inventor

ASHCRAFT DAVID

US2 patents

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

BAKER HUGHES INC

1 patent

US7530407B2May 12, 2009

Rotary coring device and method for acquiring a sidewall core from an earth formation

BAKER HUGHES INC16 citations76

ASHCRAFT DAVID

1 patent

US9801353B2Oct 31, 2017

Cattle immobilization apparatus

ASHCRAFT DAVID0 citations24