Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907605 | Oral tabacco substitute | Michael P. Ellis | 1990-03-13 |
| 4800903 | Nicotine dispenser with polymeric reservoir of nicotine | James E. Turner, Michael P. Ellis, Ronald G. Oldham | 1989-01-31 |
| 4676259 | Nicotine enhanced smoking device | Michael P. Ellis | 1987-06-30 |
| 4655231 | Snuff and preparation thereof | Michael P. Ellis | 1987-04-07 |
| 4284089 | Simulated smoking device | — | 1981-08-18 |