Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279742 | Method of and apparatus for the flotation of mineral raw materials | Rumen V. Ivanov, Dobrin V. Nikolov, Heinz Weber, Manfred Schmidt | 1981-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279742 | Method of and apparatus for the flotation of mineral raw materials | Rumen V. Ivanov, Dobrin V. Nikolov, Heinz Weber, Manfred Schmidt | 1981-07-21 |