Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028479 | Polymeric anticorrosion film | Leonid S. Pinchuk, Viktor A. Goldade, Semen Y. Liberman, Grigory V. Rechits, Benyamin A. Finkelshtein +4 more | 1991-07-02 |
| 4938674 | Extruder head for making anticorrosive tubular polymeric film | Semen Y. Liberman | 1990-07-03 |