Granted Patent
Utility
US 6,301,744 · App. 09/569,893
Method for drawing a flow of air and particulates into a vacuum cleaner
Inventors:
Michael E. Embree, Terrance M. Roberts, James F. McCain
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: May 12, 2000
Inventors
Michael E. Embree
Terrance M. Roberts
James F. McCain
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.