Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650837 | Rotationally stable contact lens designs | Jeffrey H. Roffman, Yulin X. Lewis, Edgar V. Menezes | 1997-07-22 |
| 5650838 | Programmable smooth junctions on lenses | Jeffrey H. Roffman, Yulin X. Lewis | 1997-07-22 |