Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617882 | Tobacco smoking article filter with basalt fibers | Stanislav P. Polovnikov, Foat A.-K. Fekhretdinov, Sergei A. Karaoglanov, Zhanna S. Ivanenko | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617882 | Tobacco smoking article filter with basalt fibers | Stanislav P. Polovnikov, Foat A.-K. Fekhretdinov, Sergei A. Karaoglanov, Zhanna S. Ivanenko | 1997-04-08 |