Granted Patent
Utility
US 4,623,012 · App. 06/565,709
Headrail hardware for hanging window coverings
Inventors:
Edward T. Rude, Jules Nisenson, Martin Waine
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Dec 27, 1983
Inventors
Edward T. Rude
Jules Nisenson
Martin Waine
Assignee (at issue)
General Clutch Corporation
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.