Inventor

MCCALLIEN DUNCAN

GB2 patents

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

MCCALLIEN DUNCAN

1 patent

US9625440B2Apr 18, 2017

Method of marking hydrocarbon liquids

MCCALLIEN DUNCAN0 citations36

CROUD VINCENT BRIAN

1 patent

US9506000B2Nov 29, 2016

Tracers and method of marking liquids

CROUD VINCENT BRIAN0 citations31