Granted Patent
Utility
US 6,814,844 · App. 09/942,515
Biosensor with code pattern
Inventors:
Raghbir S. Bhullar, Henning Groll, John T. Austera, Douglas P. Walling, Timothy I. Ranney, James L. Pauley
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Aug 29, 2001
Inventors
Raghbir S. Bhullar
Henning Groll
John T. Austera
Douglas P. Walling
Timothy I. Ranney
James L. Pauley
Assignee (at issue)
Roche Diagnostics GMBH
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.