Granted Patent
Utility
US 5,346,309 · App. 07/968,160
Collapsible, portable, multiple use, insulated bag with companion attachable multiple use bag
Inventor:
Steven C. Book
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Oct 29, 1992
Inventor
Steven C. Book
Assignee (at issue)
Auto-Shade, 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.