Granted Patent
Utility
US 4,458,836 · App. 06/435,036
Article wrapper
Inventor:
Prentice J. Wood
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Oct 18, 1982
Inventor
Prentice J. Wood
Assignee (at issue)
The Mead 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.