Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661297 | Basic ethers of 7-oxo-7H-benzo(c) fluorene and a process for their production | Jiri Krepelka, Iva Vancurova, Karel Rezabek, Milan Melka, Vojtech Pujman +2 more | 1987-04-28 |