Issued Patents 1997
Showing 1–2 of 2 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 |
| 5591368 | Heater for use in an electrical smoking system | Grier S. Fleischhauer, Patrick H. Hayes, Constance H. Morgan, Mohammad R. Hajaligol, Michael L. Watkins +2 more | 1997-01-07 |