Granted Patent
Utility
US 5,518,921 · App. 08/424,134
Biological control for wood products and debarking
Inventors:
Robert A. Blanchette, Roberta L. Farrell, Chad J. Behrendt
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Apr 17, 1995
Inventors
Robert A. Blanchette
Roberta L. Farrell
Chad J. Behrendt
Assignee (at issue)
Clariant Finance (BVI) 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.