Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867347 | Dispenser pump | Brian Robert Law | 1989-09-19 |
| 4860740 | Powder inhalation device | William F. Kirk, Eric A. Baum, Ian P. Tansey, William G. Meredith | 1989-08-29 |
| 4811871 | Liquid dosing device | Brian Robert Law | 1989-03-14 |