Granted Patent
Utility
US 4,234,686 · App. 06/046,482
Starch-degrading enzymes derived from cladosporium resinae
Inventor:
James J. Marshall
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Jun 7, 1979
Inventor
James J. Marshall
Assignee (at issue)
Life-Line Products, LLC
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.