Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041555 | Sealed piston apparatus and related systems for use with vehicle torque converters | Vijayakumar Velayudham, Sungchul Lee, Xuexian Yin | 2021-06-22 |
| 11009098 | Blade and spring damper apparatus for use with vehicle torque converters | Sungchul Lee, Vijayakumar Velayudham, Xuexian Yin | 2021-05-18 |