Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289846 | Automatic liquid replenishing system | Hani E. Chika | 1994-03-01 |
| 5201955 | Annular gradient optical lens tint system | Hani E. Chika | 1993-04-13 |
| 5202566 | VDT radiation protection system | Hani E. Chika | 1993-04-13 |
| 4915986 | Optical lens tinting machine | Hani E. Chika | 1990-04-10 |