Granted Patent
Utility
US 6,334,519 · App. 09/657,589
Utility bag that can be unfolded
Inventor:
Joy Tong
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Sep 8, 2000
Inventor
Joy Tong
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.