Inventor

DUWE WILLIAM D

US2 patents

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

TDW DELAWARE INC

1 patent

US5439331AAug 8, 1995

High pressure tapping apparatus

TDW DELAWARE INC42 citations89

SEISMOGRAPH SERVICE CORP

1 patent

US4815557AMar 28, 1989

Down hole seismographic source

SEISMOGRAPH SERVICE CORP32 citations86