Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883522 | Fabrication of macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry | James J. Hagerty | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883522 | Fabrication of macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry | James J. Hagerty | 1989-11-28 |