Granted Patent
Utility
US 5,455,178 · App. 08/069,687
Microoptical sensor and method
Inventor:
Christof Fattinger
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: May 28, 1993
Inventor
Christof Fattinger
Assignee (at issue)
HOFFMANN-LA ROCHE 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.