Granted Patent
Utility
US 5,902,386 · App. 08/966,959
Reduced diameter separator for a vacuum cleaner apparatus
Inventors:
Eric Lee Gustafson, Dean R. Rohn, Craig Cummins, Skip Erickson, Jeffrey R. Kassien, Michael R. Lovelace, Jr.
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Nov 10, 1997
Inventors
Eric Lee Gustafson
Dean R. Rohn
Craig Cummins
Skip Erickson
Jeffrey R. Kassien
Michael R. Lovelace, Jr.
Assignee (at issue)
REXAIR 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.