Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884028 | Magnetizing device with yoke having loosely fitted coil sections for magnetographic inspection of quality of materials | Valery S. Kozlov, Elena Polyakova, Alexei E. Novikov | 1989-11-28 |
| 4806862 | Method of magnetographic inspection of quality of materials | Valery S. Kozlov, Elena Polyakova, Alexei E. Novikov | 1989-02-21 |