Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377689 | Process for preparing spiro derivatives | Georges Tsatsas, Evan E. Costakis | 1983-03-22 |
| 4371538 | Spiro derivatives, process for their preparation and medications containing same | Georges Tsatsas, Evan E. Costakis | 1983-02-01 |