Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7731148 | High optical quality molds for use in contact lens production | David Turner, Robert B. Steffen, Christopher Wildsmith | 2010-06-08 |
| 7422710 | Method for manufacturing a contact lens | David Turner, Robert B. Steffen, Christopher Wildsmith | 2008-09-09 |
| 6861123 | Silicone hydrogel contact lens | David Turner, Robert B. Steffen, Christopher Wildsmith | 2005-03-01 |
| 5716540 | Apparatus and method for producing center gated lens molds for contact lens manufacture | Keith O'Brien, Victor Lust, Jeffrey H. Roffman, Kornelis Renkema, Wybren Van Der Meulen +2 more | 1998-02-10 |