Granted Patent
Utility
US 6,161,739 · App. 09/354,549
Versatile backpack
Inventor:
Michael Bentzen
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Jul 15, 1999
Inventor
Michael Bentzen
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.