Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200858 | Uni-directional gradient index of refraction glasses | David N. Pulsifer, Guy E. Rindone | 1993-04-06 |
| 4929065 | Glass plate fusion for macro-gradient refractive index materials | David N. Pulsifer | 1990-05-29 |
| 4907864 | Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry | Leslie A. Danziger | 1990-03-13 |
| 4883522 | Fabrication of macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry | Leslie A. Danziger | 1989-11-28 |