Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7249463 | Aerodynamic fastener shield for turbomachine | William C. Anderson, Michael Jay Epstein, Zhifeng Dong | 2007-07-31 |
| 7094020 | Swirl-enhanced aerodynamic fastener shield for turbomachine | Zhifeng Dong, Michael Jay Epstein, William C. Anderson | 2006-08-22 |