Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7601928 | Pedestrian push button | Kerry B. Milligan, Stephen P. Parduhn, Kevin S. Shook, Raymond M. Woods | 2009-10-13 |
| 7258314 | Span wire assembly for traffic control device | Stephen P. Parduhn, Darold R. Cherry | 2007-08-21 |