Granted Patent
Utility
US 5,590,993 · App. 08/099,195
Easy-access sheet metal container structures
Inventor:
William T. Saunders
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Jul 29, 1993
Inventor
William T. Saunders
Assignee (at issue)
Weirton Steeel Corporation
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.