Granted Patent
Utility
US 6,172,686 · App. 09/103,832
Graphic processor and method for displaying a plurality of figures in motion with three dimensional overlay
Inventor:
Kenichi Mizutani
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jun 24, 1998
Inventor
Kenichi Mizutani
Assignee (at issue)
NEC CORPORATION
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.