Granted Patent
Utility
US 4,861,616 · App. 07/234,028
Stable peppermint oil having reduced pulegone content and method of producing the same
Inventor:
Jeffrey Spencer
Patented Case
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Granted: Aug 29, 1989
Filed: Aug 18, 1988
Inventor
Jeffrey Spencer
Assignee (at issue)
A. M. Todd Company
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.