Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568537 | Composition for the flotation of useful minerals products | SErgei Anatolievich Schelkunov, Oleg Malyshev, Yakov Yakovlevich Mamontov, Alexandr Anatolievich Maximov | 2003-05-27 |