Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018538 | Cigarette making machine | David B. Stewart | 1991-05-28 |
| 4793364 | Cigarette manufacture | Francis A. M. Labbe, John R. Nowers, Paul R. Wiese, Ivan Yehudi Hirsh | 1988-12-27 |
| 4665930 | Manufacture of ventilated cigarettes | Hugh M. Arthur, John Mills | 1987-05-19 |
| 4570644 | Cigarette making machine hopper | Ronald A. Ahern, Derek H. Dyett, Francis A. M. Labbe | 1986-02-18 |
| 4528050 | Producing filler material, particularly for cigarette filters | Hugh M. Arther, Edward G. Preston, David B. Stewart | 1985-07-09 |
| 4499910 | Cutting head for a cigarette filter attachment machine | Derek H. Dyett, Albert D. Seim, II | 1985-02-19 |
| 4463766 | Cigarette and cigarette filter making machine | High M. Arthur, Derek H. Dyett | 1984-08-07 |