Inventor

SIMPSON ROGER J

2 patents

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

QUESTUS CORP

1 patent

US5626596AMay 6, 1997

Tool support assembly with bidirectional position control

QUESTUS CORP11 citations64

SAINT PETERS RES TRUST LTD

1 patent

US4293307AOct 6, 1981

Method and apparatus for analyzing liquid

SAINT PETERS RES TRUST LTD10 citations59