Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898473 | Multifocal corneal contact lens | Leonard Seidner | 1999-04-27 |
| 5812235 | Multifocal corneal contact lenses | Leonard Seidner | 1998-09-22 |
| 5812236 | Multifocal corneal contact lens pair | Leonard Seidner | 1998-09-22 |
| 5691797 | Multifocal contact lens | Leonard Seidner | 1997-11-25 |
| 5619289 | Multifocal contact lens | Leonard Seidner | 1997-04-08 |
| 5526071 | Multifocal contact lens and method for preparing | Leonard Seidner | 1996-06-11 |