Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12057671 | Port processing method for ESD and EOS protection | Yong Liu, Kun Zhang | 2024-08-06 |
| 6233964 | Low profile ice maker | Thomas E. Ethington, Donald G. Pannhoff, Qiao Lu | 2001-05-22 |
| 6109043 | Low profile ice maker | Qiao Lu, Thomas E. Ethington, Donald G. Pannhoff | 2000-08-29 |