Granted Patent
Utility
US 5,012,946 · App. 07/546,669
Innerseal for a container and method of applying
Inventor:
Theresa A. McCarthy
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Jun 29, 1990
Inventor
Theresa A. McCarthy
Assignee (at issue)
Minnesota Mining and Manufacturing 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.