Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818298 | Method of removing deposits from the inside walls of a pipeline and applying protective coatings thereto | Viktor V. Shishkin, Dmitry N. Cherebedov, Nikolai F. Kryazhevskikh, Valery P. Panchenko, Yaroslav P. Sushkov +4 more | 1989-04-04 |