Granted Patent
Utility
US 5,207,257 · App. 07/951,151
Adjustable expandable and collapsible shade
Inventors:
John D. Rupel, Judy M. Bergman
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Sep 25, 1992
Inventors
John D. Rupel
Judy M. Bergman
Assignee (at issue)
Springs Window Fashions Division, 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.