Granted Patent
Utility
US 4,816,913 · App. 07/121,021
Pixel interpolation circuitry as for a video signal processor
Inventors:
Kevin Harney, John M. Keith, David L. Sprague, Brian Astle
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Nov 16, 1987
Inventors
Kevin Harney
John M. Keith
David L. Sprague
Brian Astle
Assignee (at issue)
Technology, Inc. 64
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.