Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858630 | Smoking article with improved aerosol forming substrate | Gary R. Shelar | 1989-08-22 |
| 4854331 | Smoking article | Ernest G. Farrier, James L. Harris, Alan B. Norman, James L. Resce, John H. Reynolds, IV +4 more | 1989-08-08 |
| 4827950 | Method for modifying a substrate material for use with smoking articles and product produced thereby | Deborah C. Kay, Richard L. Lehman | 1989-05-09 |