Granted Patent
Utility
US 4,846,243 · App. 07/233,729
Foldable window covering
Inventor:
Paul Schneider
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Aug 19, 1988
Inventor
Paul Schneider
Assignee (at issue)
Graber Industries, 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.