DM

Duncan William John McCallien

JL Johnson Matthey Public Limited: 1 patents #54 of 189Top 30%
📍 Durham, GB: #8 of 28 inventorsTop 30%
Overall (2019): #480,978 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10267740 Tracer and method of identifying tracer in product Vincent Brian Croud, Elizabeth Ruth Egginton, Clive Anthony Marchant, Alistair McInroy, David Eustace +1 more 2019-04-23