Granted Patent
Utility
US 6,685,592 · App. 10/393,797
Roller shade clutch with internal gearing
Inventors:
Richard Fraczek, Martin Balta, David Cross
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Mar 20, 2003
Inventors
Richard Fraczek
Martin Balta
David Cross
Assignee (at issue)
Rollease, 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.