Granted Patent
Utility
US 4,574,277 · App. 06/527,944
Selective page disable for a video display
Inventors:
Charles A. Krause, Babu Rajaram
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Aug 30, 1983
Inventors
Charles A. Krause
Babu Rajaram
Assignee (at issue)
Zenith Radio 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.