Granted Patent
Utility
US 6,394,171 · App. 09/756,343
Clear plastic industrial traffic curtain
Inventor:
Edward S. Robbins, III
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Jan 8, 2001
Inventor
Edward S. Robbins, III
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.