Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214291 | Explosion-proof switchgear apparatus | Vitaly I. Koshman, Vladimir F. Petrichenko | 1980-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214291 | Explosion-proof switchgear apparatus | Vitaly I. Koshman, Vladimir F. Petrichenko | 1980-07-22 |