Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349394 | Rigid gas permeable lenses | William E. Meyers | 1994-09-20 |
| 5331132 | Manufacture of visual lenses | Colin Maurice Perrott | 1994-07-19 |
| D347624 | Card cage enclosure | William F. McCarthy, Kenneth R. Palumbo, Robert D. Hellweg, Jr., Richard M. Masters, Colin E. Brench +3 more | 1994-06-07 |
| 5296881 | Method and contact lenses for treating presbyopia | — | 1994-03-22 |
| 5281294 | Manufacture of visual lenses | Colin Maurice Perrott | 1994-01-25 |