Granted Patent
Utility
US 6,348,087 · App. 09/479,878
Three phase cyclonic separator
Inventor:
David J. Aslin
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Jan 10, 2000
Inventor
David J. Aslin
Assignee (at issue)
Shaw Aero Devices, Inc.
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.