Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7843095 | Friction drive spindle unit | Xiaolan Ai, David K. Lawrentz, Josh Cowan | 2010-11-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7843095 | Friction drive spindle unit | Xiaolan Ai, David K. Lawrentz, Josh Cowan | 2010-11-30 |