Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200858 | Uni-directional gradient index of refraction glasses | James J. Hagerty, David N. Pulsifer | 1993-04-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200858 | Uni-directional gradient index of refraction glasses | James J. Hagerty, David N. Pulsifer | 1993-04-06 |