Granted Patent
Utility
US 5,472,874 · App. 08/247,130
Pitch degradation with white rot fungus
Inventors:
Robert A. Blanchette, Roberta L. Farrell, Sara Iverson
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: May 20, 1994
Inventors
Robert A. Blanchette
Roberta L. Farrell
Sara Iverson
Assignee (at issue)
Sandoz AG
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.