Granted Patent
Utility
US 5,006,380 · App. 07/395,139
Draw tape bag with multilayer draw tape
Inventor:
Robert W. Fraser
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Aug 16, 1989
Inventor
Robert W. Fraser
Assignee (at issue)
First Brands Corporation
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.