Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445054 | Sheet cutting apparatus and method | — | 1995-08-29 |
| 5435326 | Controlled delivery smoking article and method | Thomas L. Gentry, Russell D. Barnes, Richard L. Blakley, Charles Ray Ashcraft, Juanilla M. Gwyn +2 more | 1995-07-25 |
| 5163452 | Rod making apparatus for use in the manufacture of smoking articles | Clifford R. Marritt, Philip A. Deal | 1992-11-17 |
| 4889143 | Cigarette rods and filters containing strands provided from sheet-like materials | Mark L. Raker, Andrew J. Sensabaugh, Jr., Henry A. Hauser | 1989-12-26 |
| 4807809 | Rod making apparatus for smoking article manufacture | John Larkin Nelson, Clifford R. Marritt | 1989-02-28 |
| 4770193 | Manufacture of tobacco smoke filters | — | 1988-09-13 |
| 4768526 | Tobacco smoke filters | — | 1988-09-06 |
| 4549875 | Manufacture of tobacco smoke filters | — | 1985-10-29 |
| 4537583 | Method and apparatus for conveying filter tow | — | 1985-08-27 |
| 4525385 | Application of additives to cigarette filter tow | — | 1985-06-25 |
| 4509452 | Application of liquid additives to cigarette filter tow | — | 1985-04-09 |
| 4476807 | Apparatus for application of additives to cigarette filter tow | — | 1984-10-16 |
| 4472224 | Opening of cigarette filter tow and jet therefore | — | 1984-09-18 |