Granted Patent
Utility
US 6,571,853 · App. 09/611,328
Cordless blind having variable resistance to movement
Inventors:
Zazu Ciuca, Roger Palmer
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Jul 6, 2000
Inventors
Zazu Ciuca
Roger Palmer
Assignee (at issue)
Newell Window Furnishings, 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.