Granted Patent
Utility
US 6,434,786 · App. 09/708,311
Edge cleaning apparatus for a vacuum cleaner
Inventor:
Terrance M. Roberts
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Nov 7, 2000
Inventor
Terrance M. Roberts
Assignee (at issue)
Oreck Holdings, LLC
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.