Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163308 | Hand worn illuminated framework | Dale C. Sommers | 2007-01-16 |
| 5729213 | Train warning system | David S. McFarland | 1998-03-17 |
| 4942395 | Railroad grade crossing motorist warning system | Dale C. Sommers | 1990-07-17 |