JL

Joseph A. Lepish

AL Alcoa: 3 patents #136 of 632Top 25%
EA Elkem As: 2 patents #14 of 96Top 15%
Overall (All Time): #1,540,767 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8406268 Electrode holder assembly and furnace comprising same Gerald E. Carkin, Jarie-Erland Herstad 2013-03-26
7854783 Carbothermic aluminum production apparatus, systems and methods Gerald E. Carkin 2010-12-21
7704443 Carbothermic aluminum production apparatus, systems and methods Gerald E. Carkin 2010-04-27