Granted Patent
Utility
US 4,385,204 · App. 06/257,184
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Inventor:
Charles M. Wine
Patented Case
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Granted: May 24, 1983
Filed: Apr 24, 1981
Inventor
Charles M. Wine
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.