Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360023 | Cigarette filter | Richard L. Blakley, Gary R. Shelar, Jeffery S. Gentry, Thomas A. Perfetti | 1994-11-01 |
| 5137034 | Smoking article with improved means for delivering flavorants | Thomas A. Perfetti | 1992-08-11 |
| 4991596 | Smoking article | Brian M. Lawrence, Milly M. L. Wong, Thomas A. Perfetti, Thomas L. Gentry, Alvaro Gonzalez-Parra +2 more | 1991-02-12 |