Granted Patent
Utility
US 5,222,204 · App. 07/493,189
Pixel interpolation in perspective space
Inventor:
Roger Swanson
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Mar 14, 1990
Inventor
Roger Swanson
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.