Granted Patent
Utility
US 6,706,095 · App. 10/168,453
Cyclonic separating apparatus
Inventor:
Hywel Morgan
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Jun 21, 2002
Inventor
Hywel Morgan
Assignee (at issue)
Dyson Limited
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.