Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7417222 | Correlation ion mobility spectroscopy | Kent B. Pfeifer | 2008-08-26 |
| 7376507 | Geophysics-based method of locating a stationary earth object | Michael R. Daily, James L. Novak | 2008-05-20 |
| 7155812 | Method for producing a tube | Kenneth A. Peterson, Kent B. Pfeifer, Timothy S. Turner | 2007-01-02 |