Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889693 | Apparatus for venting of gases from contact lens cases | Jack C. White | 1989-12-26 |
| 4859780 | Hydrophilic modifier monomers | Frank Molock, J. Richard Robertson | 1989-08-22 |
| 4857606 | Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof | Frank Molock | 1989-08-15 |