Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4204370 | Apparatus for working sheet materials with ferromagnetic powder | Boris N. Shikhirev, Ilya A. Deresh | 1980-05-27 |
| 4187081 | Apparatus for treatment of sheet material with the use of ferromagnetic powder | Boris N. Shikhirev, Ilya A. Deresh | 1980-02-05 |