DM

Duncan William John McCallien

JL Johnson Matthey Public Limited: 1 patents #43 of 145Top 30%
📍 Durham, GB: #12 of 33 inventorsTop 40%
Overall (2018): #431,085 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10106754 Method of marking hydrocarbon liquids David Stubbs 2018-10-23