Granted Patent
Utility
US 6,620,044 · App. 09/241,363
Gaming machine
Inventor:
Kazuo Okada
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Jan 29, 1999
Inventor
Kazuo Okada
Assignee (at issue)
Aruze Corp.
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.