Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578332 | Contact lens mould | Ronald Hamilton | 1996-11-26 |
| 5573108 | Disposable contact lens package | Ronald Hamilton | 1996-11-12 |
| 5293186 | Contact lens | Ronald Hamilton | 1994-03-08 |
| 5143660 | Method of casting a contact lens | Ronald Hamilton | 1992-09-01 |
| 5036971 | Moulding contact lenses | David Shepherd, Peter Henderson | 1991-08-06 |
| 4955580 | Contact lens mold | David Shepherd, Peter Henderson | 1990-09-11 |