Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747743 | Conveying apparatus for rod-like articles | David M. Hawkins, Robert J. C. Southwood | 1988-05-31 |
| 4690604 | Conveying apparatus for rod-like articles | Simon Calverley, David C. M. Carter, Peter A. Clarke, David M. Hawkins, Robert J. Mitchell | 1987-09-01 |
| 4377743 | Cigarette rod optical inspection | Reginald C. Bolt | 1983-03-22 |
| 4373188 | Cigarette weight monitoring system | Peter R. Turner, Robert James Hudson | 1983-02-08 |
| 4370942 | Perforation of web material, especially uniting paper for making ventilated filter cigarettes | Edward G. Preston | 1983-02-01 |
| 4325250 | Cigarette testing device | Reginald C. Bolt, Robert E. Williams | 1982-04-20 |