Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062434 | Cigarette paper | Paul L. Aulbach, David S. Roth | 1991-11-05 |
| 4643206 | Cigarette filter | Martin L. Reynolds, Tilford F. Riehl | 1987-02-17 |
| 4611607 | Cigarette filter | Martin L. Reynolds, Tilford F. Riehl, Andrew McMurtrie | 1986-09-16 |
| 4580584 | Cigarette filter | Martin L. Reynolds, Tilford F. Riehl | 1986-04-08 |