Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5399730 | Method of obtaining an purified wool fat and use as an additive to lubricants | Boris I. Koupchinov, Viktor P. Parkalov, Sergey F. Ermakov, Vitaly G. Tischenco, Lenoid A. Sarkisov +3 more | 1995-03-21 |
| 5238929 | Correction of tribology of arthritis-affected joints and medicine for its implementation | Boris I. Koupchinov, Sergey F. Ermakov, E. D. Belojenko, Vladimir N. Kestelman | 1993-08-24 |