Granted Patent
Utility
US 5,156,294 · App. 07/655,640
Foldable box with internal bag
Inventor:
Dwight E. Nichols
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Feb 14, 1991
Inventor
Dwight E. Nichols
Assignee (at issue)
Hoover 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.