Granted Patent
Utility
US 5,802,666 · App. 08/927,270
Power brush for a vacuum cleaner
Inventor:
Young-June Jung
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Sep 11, 1997
Inventor
Young-June Jung
Assignee (at issue)
Daewoo Electronics 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.