Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11638967 | Welding apparatus and method | Mark Aherne | 2023-05-02 |
| 5249588 | Smoking articles | David John Dittrich, Richard Fiebelkorn | 1993-10-05 |
| 4757829 | Expansion of vegetable material | David Molyneux | 1988-07-19 |
| 4697604 | Expansion of tobacco | Roger W. Hedge, David Molyneux | 1987-10-06 |
| 4696313 | Expansion of tobacco | Roger W. Hedge, David Molyneux | 1987-09-29 |
| 4641665 | Expansion of tobacco | Roger W. Hedge | 1987-02-10 |