DY

David H. De Young

AL Alcoa: 1 patents #301 of 632Top 50%
AA Aluminum Company Of America: 1 patents #495 of 1,017Top 50%
Overall (All Time): #2,209,509 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6337564 Detecting and classifying hard and soft inclusions in liquid metal Richard Manzini 2002-01-08
4769069 Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with halide stripping agent C. Norman Cochran, Melvin H. Brown 1988-09-06