Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880018 | Extruded tobacco materials | William H. Graves, Jr., Gary W. Wallace, Bruce Bradford, Kenneth W. Smith, Howard C. Toft | 1989-11-14 |
| 4821749 | Extruded tobacco materials | Howard C. Toft, Kenneth W. Smith | 1989-04-18 |