Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435004 | Apparatus and process for aerosol size measurement at varying gas flow rates | — | 2002-08-20 |
| 5772085 | Free flow aerosol valves | Andrew Mark Bryant, Peter D. Hodson | 1998-06-30 |
| 5343767 | Low particle loss cascade impactor | Virgil A. Marple | 1994-09-06 |
| 4624251 | Apparatus for administering a nebulized substance | — | 1986-11-25 |