Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604280 | Ring spiro [fluorene-[2H]-benzopyranes] and their use in ophthalmic optics | Jean L. Pozzo, Robert Guglielmetti, Vladimir Lokshin, Guena elle Harie | 1997-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604280 | Ring spiro [fluorene-[2H]-benzopyranes] and their use in ophthalmic optics | Jean L. Pozzo, Robert Guglielmetti, Vladimir Lokshin, Guena elle Harie | 1997-02-18 |