Granted Patent
Utility
US 6,237,962 · App. 09/292,368
Telescopable wand assembly of a vacuum cleaner
Inventor:
Eui Suk Lim
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Apr 15, 1999
Inventor
Eui Suk Lim
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.