Granted Patent
Utility
US 5,870,867 · App. 08/763,698
Solid core partition wall
Inventor:
Terry Mitchell
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Dec 9, 1996
Inventor
Terry Mitchell
Assignee (at issue)
Steelcase Inc.
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.