Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709193 | Temporary raised pavement marker (TRPM) applicator machine for automatically applying pavement markers to road surfaces | Jeffrey Rogers, John Kirckof, Jeffrey Arnold Wilkens, Brad Anderson | 2004-03-23 |
| 6685389 | Machine for automatically removing the protective coverings from temporary raised pavement markers (TRPMs) | John Glawe, Chad Orthaus, Jeffrey Arnold Wilkens | 2004-02-03 |