Issued Patents 1989
Showing 1–3 of 3 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, Mikhail T. Krupko | 1989-11-28 |
| 4835470 | Magnetizer having a main electromagnet and leakage flux reducing auxiliary electromagnets for magnetographic inspection | Leonid A. Putan, Valery I. Meerovich, Anatoly N. Semizelnikov, Vladimir P. Pokatilov | 1989-05-30 |
| 4806862 | Method of magnetographic inspection of quality of materials | Valery S. Kozlov, Elena Polyakova, Mikhail T. Krupko | 1989-02-21 |