Granted Patent
Utility
US 5,783,423 · App. 08/750,077
Yeast strains
Inventors:
Patricia Wood, Alan Victor Quirk
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Feb 20, 1997
Inventors
Patricia Wood
Alan Victor Quirk
Assignee (at issue)
Delta Biotechnology Limited
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.