Granted Patent
Utility
US 6,792,649 · App. 10/141,472
Contoured intake ducts and fan housing assemblies for floor care machines
Inventors:
Chris M. Paterson, Jeffrey A. Millard
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: May 8, 2002
Inventors
Chris M. Paterson
Jeffrey A. Millard
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.