Granted Patent
Utility
US 4,977,697 · App. 07/532,056
Foldable traffic barrier
Inventor:
Raymond M. Genick, II
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Jun 1, 1990
Inventor
Raymond M. Genick, II
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.