Granted Patent
Utility
US 5,310,050 · App. 08/083,128
Wrap-around carrier with flexible heel aperture
Inventor:
Robert L. Sutherland
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Jun 24, 1993
Inventor
Robert L. Sutherland
Assignee (at issue)
Riverwood International 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.