Granted Patent
Utility
US 6,342,009 · App. 09/431,814
Input device for game machine
Inventor:
Masahiro Soma
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Nov 2, 1999
Inventor
Masahiro Soma
Assignee (at issue)
ALPS ELECTRIC 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.