Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044380 | Apparatus and method for studying smoke components | Evon Llewellyn Crooks | 1991-09-03 |
| 4947874 | Smoking articles utilizing electrical energy | Johnny L. Brooks, Donald L. Roberts | 1990-08-14 |
| 4947875 | Flavor delivery articles utilizing electrical energy | Johnny L. Brooks, Donald L. Roberts | 1990-08-14 |
| 4922901 | Drug delivery articles utilizing electrical energy | Johnny L. Brooks, Donald L. Roberts | 1990-05-08 |
| 4914966 | Automated ultrasonic probe holder for a sample feeder | Ralph Thomas White, Jr., Dewey L. Holt | 1990-04-10 |