Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971276 | Recovery of purified volatile metal such as lithium from mixed metal vapors | Ralph Harris | 2005-12-06 |
| 5632932 | Distribution of fine bubbles or droplets in a liquid | Ralph Harris, Ruiqing Li | 1997-05-27 |
| 4888052 | Producing volatile metals | Ralph Harris, James M. Toguri | 1989-12-19 |