Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682907 | Tobacco expansion apparatus | Lucas J. Conrad | 1997-11-04 |
| 5632287 | Flat smoking article and method of making same | Roger Grady Hayworth | 1997-05-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682907 | Tobacco expansion apparatus | Lucas J. Conrad | 1997-11-04 |
| 5632287 | Flat smoking article and method of making same | Roger Grady Hayworth | 1997-05-27 |