Granted Patent
Utility
US 5,404,321 · App. 08/064,654
Computer system and method for modifying and enhancing the built-in programs of a computer
Inventor:
Jeffrey Mattox
Patented Case
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Granted: Apr 4, 1995
Filed: May 21, 1993
Inventor
Jeffrey Mattox
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.