Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423195 | Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals | Siba P. Ray, Douglas A. Weirauch, Jr. | 2002-07-23 |
| 6423204 | For cermet inert anode containing oxide and metal phases useful for the electrolytic production of metals | Siba P. Ray, Douglas A. Weirauch, Jr. | 2002-07-23 |
| 6416649 | Electrolytic production of high purity aluminum using ceramic inert anodes | Siba P. Ray, Douglas A. Weirauch, Jr., Robert A. DiMilia, Joseph M. Dynys, Frankie E. Phelps +1 more | 2002-07-09 |
| 6372119 | Inert anode containing oxides of nickel iron and cobalt useful for the electrolytic production of metals | Siba P. Ray, Douglas A. Weirauch, Jr. | 2002-04-16 |