Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873424 | Wall plug lens disinfector | Francis E. Ryder, Fred E. Williams, Jr. | 1989-10-10 |
| 4817998 | Instrument for handling contact lens disinfecting catalyst | Francis E. Ryder | 1989-04-04 |
| 4807313 | Inflatable inclined mattress support system | Francis E. Ryder | 1989-02-28 |
| 4807750 | Latching structure for contact lens holder | Francis E. Ryder | 1989-02-28 |
| 4801033 | Reusable vial cap | — | 1989-01-31 |