Granted Patent
Utility
US 6,679,643 · App. 10/159,180
Device for jointing poles of tent
Inventor:
Se Il Ham
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: May 31, 2002
Inventor
Se Il Ham
Assignee (at issue)
North Pole Limited
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.