DF

Derek John Fray

📍 Great Shelford, GB: #2 of 5 inventorsTop 40%
Overall (2004): #235,056 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6712952 Removal of substances from metal and semi-metal compounds Thomas William Farthing, Zheng Chen 2004-03-30