Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581074 | Method for cleaning internal heat transfer surfaces of boiler tubes | Nadezhda N. Mankina, Valentina Y. Kaplina, Ivan A. Govorukhin, Jury E. Mishenin, Nester I. Serebryannikov +1 more | 1986-04-08 |