Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558113 | Wire strand cleaner | Ronald G. Casteel, Dennis E. Davis | 1996-09-24 |
| 5082008 | Smoking article | — | 1992-01-21 |
| 4955397 | Cigarette | Jiunn-Yann Tang | 1990-09-11 |
| 4917121 | Smoking article | Tilford F. Riehl | 1990-04-17 |
| 4898191 | Smoking device | Tilford F. Riehl | 1990-02-06 |
| 4681125 | Mouthpiece for tobacco smoke article | — | 1987-07-21 |
| 4646762 | Cigarette having a mouthpiece | Tilford F. Riehl | 1987-03-03 |
| 4608999 | Cigarette filter | — | 1986-09-02 |
| 4545391 | Cigarette filter | — | 1985-10-08 |
| 4542754 | Filtered cigarette | Daniel Verdin Cantrell | 1985-09-24 |
| 4498488 | Cigarette filter | — | 1985-02-12 |
| 4387728 | Cigarette filter | Martin L. Reynolds | 1983-06-14 |
| 4365641 | Cigarette filter | — | 1982-12-28 |
| 4362171 | Cigarette filter | Daniel Verdin Cantrell | 1982-12-07 |
| 4362172 | Cigarette filter | — | 1982-12-07 |
| 4338956 | Cigarette filter | Robert A. Sanford | 1982-07-13 |
| 4256122 | Cigarette filter | — | 1981-03-17 |