Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433043 | Removable imbibition composition of photochromic compound and kinetic enhancing additive | Michael S. Misura | 2002-08-13 |
| 6371225 | Drill bit and surface treatment for tungsten carbide insert | James L. Overstreet | 2002-04-16 |
| 6353102 | Photochromic naphthopyrans | — | 2002-03-05 |
| 6348604 | Photochromic naphthopyrans | Clara M. Nelson, Anu Chopra, David B. Knowles, Barry Van Gemert | 2002-02-19 |