Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234990 | Exposed lens retroreflective article | Ningyong Huang, Huijin Li, Loretta L. Lucas, Bradley R. Ray, Rong Wu | 2016-01-12 |
| 8851688 | Exposed lens retroreflective article | Ningyong Huang, Huijin Li, Loretta L. Lucas, Bradley R. Ray, Rong Wu | 2014-10-07 |