Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084236 | Method for preparing an optical element which colors in a non-uniform linear pattern | Joseph D. Turpen, William D. Carpenter, Kevin J. Stewart | 2021-08-10 |
| 10994563 | Method for coloring an optical element in a non-uniform linear pattern | William D. Carpenter | 2021-05-04 |