Granted Patent
Utility
US 6,488,590 · App. 09/802,366
Indoor skiing ground facilities having lighting fixtures
Inventor:
Minoru Katayama
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Mar 9, 2001
Inventor
Minoru Katayama
Assignee (at issue)
Kabushikikaisha Piste Snow Industries
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.