Granted Patent
Utility
US 5,804,405 · App. 08/757,930
Bilirubin detection
Inventor:
Charles E. Ahlfors
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Nov 27, 1996
Inventor
Charles E. Ahlfors
Assignee (at issue)
Research Corporation Technologies, 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.