Granted Patent
Utility
US 6,814,843 · App. 09/704,235
Biosensor
Inventors:
Raghbir S. Bhullar, Douglas P. Walling, Brian S. Hill
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Nov 1, 2000
Inventors
Raghbir S. Bhullar
Douglas P. Walling
Brian S. Hill
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.