Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709227 | Degradable smoking article | Barbara Walker Arzonico, Michael Francis Dube, Robert Leslie Oglesby, Charles Ray Ashcraft, Robin Kent Wilson | 1998-01-20 |
| 5092353 | Cigarette | Maria T. Montoya, Alan B. Norman, Norman C. Sanders, Jr. | 1992-03-03 |
| 5056537 | Cigarette | Thomas W. Brown, William R. Cook, Alan B. Norman, Jerry W. Lawson, Barry L. Saintsing | 1991-10-15 |
| 4942888 | Cigarette | Maria T. Montoya, Alan B. Norman, Norman C. Sanders, Jr. | 1990-07-24 |
| 4649941 | Adjustable air dilution cigarette exhibiting controlled pressure drop | Alan B. Norman | 1987-03-17 |
| 4649945 | Adjustable air dilution cigarette exhibiting controlled pressure drop | Alan B. Norman | 1987-03-17 |