Granted Patent
Utility
US 5,230,123 · App. 07/818,409
Operable wall deployment and storage system
Inventors:
Charles E. Williams, Karl F. Arps
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Jan 3, 1992
Inventors
Charles E. Williams
Karl F. Arps
Assignee (at issue)
Hufcor, 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.