Granted Patent
Utility
US 6,443,842 · App. 09/560,346
Method, program product, and game system for blurring an image
Inventor:
Kouichi Totsuka
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Apr 28, 2000
Inventor
Kouichi Totsuka
Assignee (at issue)
Rolling Square
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.