Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10934480 | Optical articles comprising photochromic poly(urea-urethane) | Kevin Michael Niemi | 2021-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10934480 | Optical articles comprising photochromic poly(urea-urethane) | Kevin Michael Niemi | 2021-03-02 |