Granted Patent
Utility
US 4,670,772 · App. 06/687,531
Raster distortion correction for progressive scan television system
Inventor:
Thomas V. Bolger
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Dec 28, 1984
Inventor
Thomas V. Bolger
Assignee (at issue)
RCA 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.