Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192326 | Hydrogel bead intervertebral disc nucleus | Paul Higham | 1993-03-09 |
| 5120121 | Colored lens | David Lionel Rawlings | 1992-06-09 |
| 5047055 | Hydrogel intervertebral disc nucleus | Paul Higham | 1991-09-10 |
| 5034166 | Method of molding a colored contact lens | David Lionel Rawlings, Patrick K. Chen | 1991-07-23 |