Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836123 | Sensor for electro-active materials | Chunzhi He, Arthur Kaufman | 2004-12-28 |
| 6805983 | Activation of electrochemical cells with catalyst electrodes | Arthur Kaufman | 2004-10-19 |
| 6730424 | Electrochemical method to improve the performance of H2/air PEM fuel cells and direct methanol fuel cells | Chunzhi He, Arthur Kaufman | 2004-05-04 |