Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168292 | Apparatus for particulate matter analysis | Lara A. Gundel, Anthony D. A. Hansen, Douglas R. Black | 2007-01-30 |
| 6607700 | Gas diffusion sampling and measurement system for occupational dosimetry and air quality monitoring as exemplified by a carbon monoxide occupational dosimeter | Mark K. Goldstein, Michelle S. Oum, William B. Helfman | 2003-08-19 |