Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626152 | Cigarette making machine | Paul Davis, Derek H. Dyett, Norman L. Sharp, James Stembridge | 1997-05-06 |
| 5622189 | Cigarette making machine | Derek H. Dyett, Tadeusz Truszkowski | 1997-04-22 |