Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4237336 | Device for passing electrical and power installation conductors through protective shell separating clean zone from contaminated one and method of assembling same | Nikolai S. Kostjukov, Nikolai V. Minakov | 1980-12-02 |