Granted Patent
Utility
US 4,611,229 · App. 06/505,518
Auto range horizontal automatic phase control
Inventors:
Gopal K. Srivastava, Ronald Lee
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Jun 17, 1983
Inventors
Gopal K. Srivastava
Ronald Lee
Assignee (at issue)
Zenith Electronics LLC
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.