Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903682 | DGPS animal containment system | — | 2005-06-07 |
| 6651592 | Automatic positive behavior reinforcement trainer | Curtis McLay, Craig M. Spahr | 2003-11-25 |
| 6431122 | Wireless confinement and training system for an animal | Michael D. Westrick, Peter F. Johnson, Timothy J. Hacha | 2002-08-13 |