Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340073 | Expanding tobacco | Roger Z. de la Burde | 1982-07-20 |
| 4336814 | Process for expanding tobacco | Larry M. Sykes, Ray G. Snow, Roger Z. de la Burde | 1982-06-29 |
| 4333483 | Tobacco product | Roger Z. de la Burde, Francis V. Utsch | 1982-06-08 |