Granted Patent
Utility
US 5,494,801 · App. 08/162,401
Microorganism antigen extraction methods
Inventors:
Gregory R. Bogart, Robert J. Bilodeau, Rachel M. Ostroff, Jeffrey W. Steaffens
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Dec 3, 1993
Inventors
Gregory R. Bogart
Robert J. Bilodeau
Rachel M. Ostroff
Jeffrey W. Steaffens
Assignee (at issue)
Biostar, Inc.
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.