Granted Patent
Utility
US 4,611,225 · App. 06/701,608
Progressive scan HDTV system
Inventor:
Kerns H. Powers
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Feb 14, 1985
Inventor
Kerns H. Powers
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.