Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836898 | Reduced ignition propensity smoking article | Michael Andrew Zawadzki, Arthur Ihrig, David Grider, Terry D. Jessup | 2010-11-23 |
| 6837248 | Reduced ignition propensity smoking article | Michael Andrew Zawadzki, Arthur Ihrig, David Grider, Terry D. Jessup | 2005-01-04 |