Granted Patent
Utility
US 4,483,445 · App. 06/431,219
Bag with easy opening closure and handle
Inventors:
J. George Lepisto, Paul O. Hain
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Sep 30, 1982
Inventors
J. George Lepisto
Paul O. Hain
Assignee (at issue)
Champion International Corporation Limited
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.