Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7802570 | Drug transfer device | — | 2010-09-28 |
| 6158428 | Infant inhaler | — | 2000-12-12 |
| 6055980 | Dry powder inhaler | David R. Williams, David O. Thueson | 2000-05-02 |
| 5577497 | Dry powder inhaler | David R. Williams, David O. Thueson | 1996-11-26 |
| 5575281 | Medicated package | — | 1996-11-19 |
| 5568807 | Air-flow control for an inhaler | — | 1996-10-29 |
| 5492112 | Dry powder inhaler | David R. Williams, David O. Thueson | 1996-02-20 |
| 5483954 | Inhaler and medicated package | — | 1996-01-16 |
| 5327883 | Apparatus for aerosolizing powdered medicine and process and using | David R. Williams, David O. Thueson | 1994-07-12 |
| 5318016 | Inhalation device | — | 1994-06-07 |