Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663279 | Ophthalmic lenses | Hans Kuiper, Robert Winston van de Graaf | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663279 | Ophthalmic lenses | Hans Kuiper, Robert Winston van de Graaf | 1997-09-02 |