Granted Patent
Utility
US 5,390,848 · App. 08/020,752
Product sleeve with product supports
Inventors:
Gregory Gungner, John Zimmermann
Patented Case
View Patent ↗
Granted: Feb 21, 1995
Filed: Feb 22, 1993
Inventors
Gregory Gungner
John Zimmermann
Assignee (at issue)
Somerville Packaging, Divison of Paperboard Industries 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.