Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725859 | Apparatus for delivering air-borne substances | Simon J. Rothenberg, Hsu-Chi Yeh | 2004-04-27 |
| 6715486 | Dry powder inhaler | Andrew W. Gieschen, Michael Ligotke, Jeffrey Chen, Charles F. Ganem | 2004-04-06 |