P

Inventor

SORRELLS MARTIN

US4 patents
⚠️ This page may combine multiple inventors who share the name “SORRELLS MARTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PREC DRILLING TECH SERV GROUP

1 patent

WEATHERFORD CANADA PARTNERSHIP

1 patent

OMNITECH SERVICES INC

1 patent

SORRELLS MARTIN

1 patent