Granted Patent
Utility
US 5,631,001 · App. 08/470,225
Antimicrobial grapefruit extract
Inventors:
Jakob Harich, Elizabeth K. Harich, administratrix
Patented Case
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Granted: May 20, 1997
Filed: Jun 6, 1995
Inventors
Jakob Harich
Elizabeth K. Harich, administratrix
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.