Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7429553 | Process for reducing the toxicity of hydrocarbons | Carl Dunlop, Petrus Johannes Hoffmann, Cyril David Knottenbelt, Leon Walliser | 2008-09-30 |
| 7326817 | Process for reducing the toxicity of hydrocarbons | Carl Dunlop, Petrus Johannes Hoffmann, Cyril David Knottenbelt, Leon Walliser | 2008-02-05 |