Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066230 | Gate monitoring system | Craig P. Gabel, David K. Fox, Greggory C. Phelps | 2011-11-29 |
| 7979170 | Railroad snow removal system | David K. Fox, Greggory C. Phelps, Albert Newton | 2011-07-12 |