Granted Patent
Utility
US 4,591,910 · App. 06/589,605
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Inventors:
Stephen Lai, Gopal K. Srivastava
Patented Case
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Granted: May 27, 1986
Filed: Mar 14, 1984
Inventors
Stephen Lai
Gopal K. Srivastava
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.