Granted Patent
Utility
US 4,622,589 · App. 06/723,149
Television receiver on-screen character display
Inventor:
Isaac M. Bell
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Apr 15, 1985
Inventor
Isaac M. Bell
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.