Granted Patent
Utility
US 4,458,269 · App. 06/252,817
Sampling arrangement for a television ghost signal cancellation system
Inventor:
Alfred C. Schroeder
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Apr 10, 1981
Inventor
Alfred C. Schroeder
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.