Granted Patent
Utility
US 6,699,123 · App. 09/863,121
Entertainment system, entertainment apparatus, recording medium, and program
Inventors:
Masaya Matsuura, John P. Belmonte
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: May 22, 2001
Inventors
Masaya Matsuura
John P. Belmonte
Assignee (at issue)
SONY COMPUTER ENTERTAINMENT INC.
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.