Granted Patent
Utility
US 5,744,247 · App. 08/568,089
Package having improved barrier properties
Inventor:
George R. Anderson
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Dec 6, 1995
Inventor
George R. Anderson
Assignee (at issue)
The Pillsbury Company
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.