Granted Patent
Utility
US 6,238,291 · App. 09/200,451
Cartridge, game machine and bi-directional communication type game system
Inventors:
Jun Fujimoto, Nobuyuki Nonaka, Masahiro Yamaguchi
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Nov 27, 1998
Inventors
Jun Fujimoto
Nobuyuki Nonaka
Masahiro Yamaguchi
Assignee (at issue)
Seta 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.