Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11602175 | Smoking article incorporating a conductive substrate | David William Griffith, Jr., Yi-Ping Chang, Calvin W. Henderson, Walter Charles Liebscher, II, Chandra Kumar Banerjee +7 more | 2023-03-14 |
| 11246344 | Smoking article incorporating a conductive substrate | David William Griffith, Jr., Yi-Ping Chang, Calvin W. Henderson, Walter Charles Liebscher, II, Chandra Kumar Banerjee +7 more | 2022-02-15 |