Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827950 | Method for modifying a substrate material for use with smoking articles and product produced thereby | Chandra Kumar Banerjee, Deborah C. Kay | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827950 | Method for modifying a substrate material for use with smoking articles and product produced thereby | Chandra Kumar Banerjee, Deborah C. Kay | 1989-05-09 |