Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451780 | Retroreflective article | David B. Running, Shri Niwas, Matthew R. Lehmann, Douglas J. Hall, Kenneth L. Hanzalik +2 more | 2019-10-22 |
| 9234990 | Exposed lens retroreflective article | Ningyong Huang, Shane M. Klundt, Huijin Li, Bradley R. Ray, Rong Wu | 2016-01-12 |
| 8851688 | Exposed lens retroreflective article | Ningyong Huang, Shane M. Klundt, Huijin Li, Bradley R. Ray, Rong Wu | 2014-10-07 |