Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444035 | Magnetic sensing metering device and method | — | 2019-10-15 |
| 10386550 | Retroreflective articles with anti-staining properties | Shri Niwas, Cheryl S. Elsbernd | 2019-08-20 |
| 10345495 | Stain resistant retroreflective articles | Ruby Chakraborty, Cheryl S. Elsbernd, Shri Niwas, Chih-Chung Hsu | 2019-07-09 |
| 10261222 | Retroreflective articles with wash durable bead bond layers | Shri Niwas, Ying Xia | 2019-04-16 |