Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264003 | Bearing system including lubricant circulation and cooling apparatus | Qimin Dong | 2001-07-24 |
| 6257368 | Rotating shaft assembly | — | 2001-07-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264003 | Bearing system including lubricant circulation and cooling apparatus | Qimin Dong | 2001-07-24 |
| 6257368 | Rotating shaft assembly | — | 2001-07-10 |