Granted Patent
Utility
US 5,840,528 · App. 08/494,151
Transformation of phaffia rhodozyma
Inventor:
Albert Johannes Joseph Van Ooyen
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Jun 23, 1995
Inventor
Albert Johannes Joseph Van Ooyen
Assignee (at issue)
Gist-Brocades N.V.
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.