Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222781 | Optically clear copper halide photochromic glass articles | Thomas P. Seward, III | 1980-09-16 |
| 4211569 | High index ophthalmic glasses | George B. Hares | 1980-07-08 |
| 4190451 | Photochromic glass | George B. Hares, Thomas P. Seward, III, Dennis W. Smith | 1980-02-26 |