JE

Julia Margaret Evans

JL Johnson Matthey Public Limited: 2 patents #296 of 922Top 35%
📍 Shrewsbury, GB: #71 of 265 inventorsTop 30%
Overall (All Time): #2,219,933 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6488904 Method of controlling emissions in exhaust gases from a two-stroke gasoline engine Julian Peter Cox 2002-12-03
6479023 System for converting particulate matter in gasoline engine exhaust gases Stephen Poulston, Raj Rao Rajaram, Andrew Peter Walker 2002-11-12