Granted Patent
Utility
US 4,353,889 · App. 06/272,799
Rebaudioside analogs
Inventor:
Grant E. DuBois
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Jun 11, 1981
Inventor
Grant E. DuBois
Assignee (at issue)
Dynapol
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.