Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721120 | Smoking articles | Colin Campbell Greig, Frederick J. Dashley, Anthony McCormack | 1988-01-26 |
| 4624268 | Smoking articles | Frederick J. Dashley, Anthony McCormack, Colin Campbell Greig | 1986-11-25 |
| 4407308 | Smoking articles | Federick J. Dashley | 1983-10-04 |
| 4328817 | Smoking articles | Donald B. Naylor | 1982-05-11 |
| 4191046 | Permeability meters | Barry G. Bunn | 1980-03-04 |