Granted Patent
Utility
US 4,949,518 · App. 06/872,053
Space-dividing wall panel
Inventors:
Russell A. Nagel, Paul Walker
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Jun 6, 1986
Inventors
Russell A. Nagel
Paul Walker
Assignee (at issue)
Westinghouse Electric Company LLC
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.