Granted Patent
Utility
US 4,254,764 · App. 06/016,427
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Inventor:
Theodore C. Neward
Patented Case
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Granted: Mar 10, 1981
Filed: Mar 1, 1979
Inventor
Theodore C. Neward
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.