Granted Patent
Utility
US 5,225,064 · App. 07/846,229
Peroxidase colloidal gold oxidase biosensors for mediatorless glucose determination
Inventors:
Robert W. Henkens, Junguo Zhao, John P. O'Daly
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Mar 6, 1992
Inventors
Robert W. Henkens
Junguo Zhao
John P. O'Daly
Assignee (at issue)
Enzyme Technology Research Group, 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.