Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698378 | Irreversible humidity indicator cards | Stefan Dick, Michelle Martin | 2004-03-02 |
| 6689197 | Desiccant composition | Stefan Dick, Julian Benavides, Richard M. Shelley | 2004-02-10 |