Granted Patent
Utility
US 4,464,552 · App. 06/316,135
Packaging
Inventor:
Thomas D. Pawlowski
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Oct 29, 1981
Inventor
Thomas D. Pawlowski
Assignee (at issue)
James River-Dixie Northern, Inc.
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.