Granted Patent
Utility
US 5,482,100 · App. 08/223,989
Cordless, balanced venetian blind or shade with consistent variable force spring motor
Inventor:
Otto Kuhar
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Apr 6, 1994
Inventor
Otto Kuhar
Assignee (at issue)
Newell Operating Co.
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.