Granted Patent
Utility
US 6,794,778 · App. 10/445,149
Braking system for powered window covering
Inventors:
Winston G. Walker, Dave Schmeling, Rich Scharf
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: May 23, 2003
Inventors
Winston G. Walker
Dave Schmeling
Rich Scharf
Assignee (at issue)
HARMONIC DESIGN, 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.