AH

Alfred S. Hayden

PR Prime Resources: 2 patents #2 of 4Top 50%
Overall (All Time): #2,295,063 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5320720 Extraction of precious metals from ores thereof Christopher Andrew Fleming, Chandulal P. Patel 1994-06-14
5256189 Aqueous oxidation of sulfidic silver ore Chandulal P. Patel 1993-10-26