Granted Patent
Utility
US 4,558,347 · App. 06/526,702
Progressive scan television system employing vertical detail enhancement
Inventors:
Dalton H. Pritchard, Walter E. Sepp
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Aug 26, 1983
Inventors
Dalton H. Pritchard
Walter E. Sepp
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.