Granted Patent
Utility
US 6,174,233 · App. 08/971,601
Game machine
Inventors:
Isao Sunaga, Hiroyuki Danjo, Yukinori Inamura
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Nov 17, 1997
Inventors
Isao Sunaga
Hiroyuki Danjo
Yukinori Inamura
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.