DF

Derek John Fray

AL Alpha Fry Limited: 1 patents #1 of 5Top 20%
FL Foseco International Limited: 1 patents #2 of 6Top 35%
📍 Great Shelford, GB: #2 of 2 inventorsTop 100%
Overall (2003): #70,236 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6641712 Process for the recovery of tin, tin alloys or lead alloys from printed circuit boards Robert William Gibson, Paul David Goodman, Lyn Holt, Ian McCrady Dalrymple 2003-11-04
6599413 Method and apparatus for the treatment of a melt Jacky Dekeyser, Robert Charles Copcutt, Gregory Doughty 2003-07-29