Granted Patent
Utility
US 6,477,721 · App. 09/983,641
Prefabricated swimming pool
Inventor:
Jae Hyong Lee
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 25, 2001
Inventor
Jae Hyong Lee
Assignee (at issue)
Portable Pools Incorporated
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.