Granted Patent
Utility
US 5,329,666 · App. 08/077,618
Vacuum cleaner
Inventors:
Leonard E. Bowerman, Eugene K. Chumley, Raymond D. Owens, William E. Bartasevich, Robert L. Waldo, John Caterinacci
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Jun 15, 1993
Inventors
Leonard E. Bowerman
Eugene K. Chumley
Raymond D. Owens
William E. Bartasevich
Robert L. Waldo
John Caterinacci
Assignee (at issue)
TRC Acquisition Corporation
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.