Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D808247 | Key | Christian D. Ritchie, Scott Larson | 2018-01-23 |
| 9633495 | System and method for wirelessly authenticating a device having a sensor | Scott E. Ligeski, Arjun Veneshetty, Joshua D. Reed, Bradley F. Bergerhouse | 2017-04-25 |
| D781135 | Key | Christian D. Ritchie, Scott Larson | 2017-03-14 |
| 7260930 | Radio frequency-based particulate loading monitoring system | Andrew A. Knitt, Matthew Daniel Fike, Brian D. Huggins, Frank B. Walton | 2007-08-28 |
| 7253641 | Radio frequency particulate sensing system | Andrew A. Knitt | 2007-08-07 |