Granted Patent
Utility
US 6,598,650 · App. 09/594,619
Hollow, rigid vanes for door and window coverings
Inventor:
Roger Palmer
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Jun 14, 2000
Inventor
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.