Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865673 | Method of applying a protective coating to the inner surface of a pipeline and device for carrying out the method | Viktor V. Shishkin, Nikolai F. Kryazhevskikh, Yaroslav P. Sushkov, Evgeny G. Lukin, Petr G. Sokol +4 more | 1989-09-12 |
| 4828796 | Method of protecting the internal surface of a pipeline against corrosion | Viktor V. Shishkin, Yaroslav P. Sushkov, Duglas Z. Serazetdinov, Evgeny G. Lukin, Viktoria I. Kapralova +5 more | 1989-05-09 |