Granted Patent
Utility
US 4,240,111 · App. 06/026,814
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Inventor:
William H. Meise
Patented Case
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Granted: Dec 16, 1980
Filed: Apr 4, 1979
Inventor
William H. Meise
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.