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David Edward Barnwell

JL Johnson Matthey Fuel Cells Limited: 1 patents #3 of 13Top 25%
📍 Highworth, GB: #1 of 1 inventorsTop 100%
Overall (2017): #453,090 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9692071 Membrane structure Peter Antony Trew, Thomas Robertson Ralph, Robert Jeffrey Coleman 2017-06-27