Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065774 | Process for expanding tobacco under moderate conditions | Robert Eugene Grubbs, Michael Edwards, James D. Frederickson | 1991-11-19 |
| 5025812 | Tobacco processing | Barry Smith Fagg, Gary Maurice Dull, Robert A. Merricks, John E. Stewart | 1991-06-25 |
| 4962773 | Process for the manufacture tobacco rods containing expanded tobacco material | Jackie L. White, Robert Eugene Grubbs, Hoyt S. Beard, Mark L. Raker, Thomas A. Perfetti | 1990-10-16 |