Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6510847 | Delivery device | Per Helgesson, Douglas Ivan Jennings, Bruce MacMichael, Michael Paton | 2003-01-28 |
| 6286506 | Inhalation device | John MacAndrew, William J. Revell, Paul A. Robertson, Elna Berg | 2001-09-11 |
| 6098618 | Inhalation device | Douglas Ivan Jennings | 2000-08-08 |