Granted Patent
Utility
US 5,988,863 · App. 09/217,151
Temporal and resolution layering in advanced television
Inventor:
Gary Demos
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Dec 21, 1998
Inventor
Gary Demos
Assignee (at issue)
DemoGraFX
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.