Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139605 | Method and apparatus for crystallizing substances dissolved in a liquid at zero-gravity | Walter Littke | 1992-08-18 |
| 4960572 | Method and apparatus for crystallizing substances dissolved in a liquid at zero-gravity | Walter Littke | 1990-10-02 |