Granted Patent
Utility
US 5,653,862 · App. 08/632,202
Biochemical sensor device and method
Inventor:
Norman A. Parris
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Apr 15, 1996
Inventor
Norman A. Parris
Assignee (at issue)
Dade Chemistry Systems 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.