Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434918 | Partially hollow shaft for HVAC compressor | Zili Sun, Ruiguo Gao, Stefan Walshe, Dongkoo Shin | 2022-09-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434918 | Partially hollow shaft for HVAC compressor | Zili Sun, Ruiguo Gao, Stefan Walshe, Dongkoo Shin | 2022-09-06 |