Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684560 | Concentric ring single vision lens designs | Edgar V. Menezes | 1997-11-04 |
| 5682223 | Multifocal lens designs with intermediate optical powers | Edgar V. Menezes | 1997-10-28 |
| 5652638 | Concentric annular ring lens designs for astigmatism | Edgar V. Menezes | 1997-07-29 |
| 5650837 | Rotationally stable contact lens designs | Timothy A. Clutterbuck, Yulin X. Lewis, Edgar V. Menezes | 1997-07-22 |
| 5650838 | Programmable smooth junctions on lenses | Timothy A. Clutterbuck, Yulin X. Lewis | 1997-07-22 |