Granted Patent
Utility
US 5,603,659 · App. 08/286,963
Gaming machine
Inventor:
Kazuo Okada
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Aug 8, 1994
Inventor
Kazuo Okada
Assignee (at issue)
Universal Sales Co., Ltd.
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.