P

Inventor

MANNING JOHN DOUGLAS

US7 patents
⚠️ This page may combine multiple inventors who share the name “MANNING JOHN DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON ENERGY SERVICES INC

5 patents

HALLIBURTON ENERGY SERV INC

1 patent

MANNING JOHN DOUGLAS

1 patent