Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866049 | Ophthalmic compositionn and method of using same | A. Edward Maumenee | 1989-09-12 |
| 4814109 | Method of cleaning contact lenses | John R. Wittpenn, Jr. | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866049 | Ophthalmic compositionn and method of using same | A. Edward Maumenee | 1989-09-12 |
| 4814109 | Method of cleaning contact lenses | John R. Wittpenn, Jr. | 1989-03-21 |