Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885654 | Device for arcless switching of electrical circuits | Andrei F. Ivanchenko, Vladimir M. Krokhmal, Vladimir V. Konovalenko, Georgy V. Nechvolodov, Boris N. Lastochkin +1 more | 1989-12-05 |