Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7819123 | Process and apparatus for applying palladium salts to tobacco filler | Stephen G. Zimmermann | 2010-10-26 |
| 6026820 | Cigarette for electrical smoking system | Patrick C. Cowling, Richard G. Uhl, Susan E. Wrenn | 2000-02-22 |
| 5988176 | Cigarette for electrical smoking system | David A. Clark, Patrick C. Cowling, Richard G. Uhl, Susan E. Wrenn | 1999-11-23 |
| 5915387 | Cigarette for electrical smoking system | David A. Clark, Mary Ellen Counts, Patrick C. Cowling, Willie G. Houck, Jr., Michael A. Moore +4 more | 1999-06-29 |
| 5499636 | Cigarette for electrical smoking system | David A. Clark, Patrick C. Cowling, Richard G. Uhl, Susan E. Wrenn | 1996-03-19 |