Granted Patent
Utility
US 6,411,290 · App. 09/281,134
Device, method and distribution medium for drawing images to be displayed on image devices
Inventor:
Nobuo Sasaki
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Mar 29, 1999
Inventor
Nobuo Sasaki
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.