Granted Patent
Utility
US 5,560,074 · App. 08/511,715
Convertible vacuum cleaner
Inventors:
Scott R. Graham, Eric R. Metzger, John J. Jailor, Gary L. Smith
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Aug 4, 1995
Inventors
Scott R. Graham
Eric R. Metzger
John J. Jailor
Gary L. Smith
Assignee (at issue)
BISSELL 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.