Granted Patent
Utility
US 4,577,227 · App. 06/543,034
Teletext framing code detector
Inventor:
Kadagattor V. Gurumurthy
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Oct 18, 1983
Inventor
Kadagattor V. Gurumurthy
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.