Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726434 | Traffic cone setting devices for depositing traffic cones onto roadway surfaces | Chad Orthaus, Merwin Anderson, Jamie Zimmerman, Bertrum England, Jeffrey Arnold Wilkens | 2004-04-27 |
| 6712548 | Temporary raised pavement marker (TRPM) applicator machine for automatically applying pavement markers to road surfaces | Jeffrey Rogers, Chad Orthaus, Jeffrey Arnold Wilkens | 2004-03-30 |
| 6709193 | Temporary raised pavement marker (TRPM) applicator machine for automatically applying pavement markers to road surfaces | Jeffrey Rogers, Michael Christensen, John Kirckof, Jeffrey Arnold Wilkens | 2004-03-23 |