Granted Patent
Utility
US 4,940,173 · App. 07/239,032
Backpack and insulated container
Inventor:
Jeffrey M. Jacober
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Aug 29, 1988
Inventor
Jeffrey M. Jacober
Assignee (at issue)
SG HOLDINGS I LLC
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.