Granted Patent
Utility
US 5,605,413 · App. 08/494,345
Highway barricade
Inventor:
James C. Brown
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Jun 26, 1995
Inventor
James C. Brown
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.