Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639701 | Permanent tint photochromic glasses | Brent M. Wedding | 1997-06-17 |
| 5627114 | Laser eyewear protection | Thomas G. Havens, JoAnn Morrell | 1997-05-06 |
| 5607493 | Method of making non-photochromic optical filter glasses | Brent M. Wedding | 1997-03-04 |