Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846943 | Manufacture of an alkali metal aluminum halide compound and alkali metal | Johan Coetzer | 1989-07-11 |
| 4797333 | Electrochemical cell | Johan Coetzer | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846943 | Manufacture of an alkali metal aluminum halide compound and alkali metal | Johan Coetzer | 1989-07-11 |
| 4797333 | Electrochemical cell | Johan Coetzer | 1989-01-10 |