Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018534 | Environmental sampling articles and methods | Cynthia D. Zook, Robert H. Silbernagel, Henry J. Lubrant, Robert E. Koeritzer | 2018-07-10 |
| 8828653 | Environmental sampling articles and methods | Cynthia D. Zook, Robert H. Silbernagel, Henry J. Lubrant, Robert E. Koeritzer | 2014-09-09 |