Granted Patent
Utility
US 6,767,440 · App. 09/840,843
Biosensor
Inventors:
Raghbir S. Bhullar, John T. Austera, Brian S. Hill, Christopher D. Wilsey
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Apr 24, 2001
Inventors
Raghbir S. Bhullar
John T. Austera
Brian S. Hill
Christopher D. Wilsey
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.