Granted Patent
Utility
US 6,772,477 · App. 10/068,389
Floor nozzle for a vacuum cleaner
Inventors:
John S. Murphy, Robert A. Matousek, Richard C. Farone, Jeffrey M. Kalman, Craig M. Saunders
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 6, 2002
Inventors
John S. Murphy
Robert A. Matousek
Richard C. Farone
Jeffrey M. Kalman
Craig M. Saunders
Assignee (at issue)
Royal Appliance Mfg., Co.
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.