Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649552 | Process and apparatus for impregnation and expansion of tobacco | Kwang H. Cho, Thomas J. Clarke, Joseph M. Dobbs, Eugene B. Fischer, Diane L. Leister +2 more | 1997-07-22 |