Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765598 | Apparatus for making electrode material from high hardness active materials | Douglas C. Magnuson, Merle Wolff, Sam Lev, Kenneth L. Jeffries | 1988-08-23 |
| 4670214 | Method for making electrode material from high hardness active materials | Douglas C. Magnuson, Merle Wolff, Sam Lev, Kenneth L. Jeffries | 1987-06-02 |