Granted Patent
Utility
US 4,624,381 · App. 06/690,796
Collapsible container or carrying case
Inventor:
Uwe W. Friedrich
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Jan 11, 1985
Inventor
Uwe W. Friedrich
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.