Granted Patent
Utility
US 5,257,811 · App. 07/983,036
Vertical louver system
Inventor:
Scott I. Biba
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Nov 30, 1992
Inventor
Scott I. Biba
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.