Granted Patent
Utility
US 5,109,583 · App. 07/434,007
Method of manufacturing barbed tape
Inventor:
Michael Pavlov
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Nov 9, 1989
Inventor
Michael Pavlov
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.