Granted Patent
Utility
US 5,163,756 · App. 07/823,624
Bag construction with auxiliary flap
Inventor:
David A. Riseman
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Jan 21, 1992
Inventor
David A. Riseman
Assignee (at issue)
Bagcraft Corporation of America
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.