Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745487 | Yellow thermochromic dyes, inks composition and level indicators | Ruizheng Wang, Yu Du, Timothy J. Owen, Terrill Scott Clayton, Lyle Small | 2017-08-29 |
| 9580603 | Red thermochromic dyes and their ink compositions | Ruizheng Wang, Yu Du, Ross Haugberg | 2017-02-28 |