Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026691 | Methods and devices for electrochemically determining metal fatigue status | Yuanfeng Li | 2000-02-22 |
| 5419201 | Methods and devices for electrochemically determining metal fatigue status | Yuanfeng Li | 1995-05-30 |